In spite of some tenacious play at times, the Boomerangs finally succumbed to their bigger and stronger opponent, the Brazil team building a lead off the back of their high quality guard JC Sanches, who finished with a game high 22 points.
For the Aussies, Clinton Jee (14 points, 5 rebounds) Adam Meredith (9 points, 9 rebounds) and Nic Hum (9 points) all put up big performances in the do-or-die encounter, while Michael Patterson was also active finishing with 5 steals and 4 assists.
The Boomerangs will now play off for a Bronze Medal.
The Pearls continue to be the team to beat, knocking over Japan in the second phase of the Global Games, who they had defeated in the3 first round.
Japan started the game strongly using their speed and agility to grab an early lead in the game.
But the Pearls were able to turn the game around through their height and led 28-16 at the half.
For their, the Pearls never looked back, blowing away their opponent late in the game to seal the 67-27 victory, setting up the opportunity for a Gold Medal play-off for the girls.
For the Pearls, Kim Perry finished with 14 points and 13 rebounds. Molly Urquhart-Moran added 10 points and 10 rebounds, while Lisa Mackie finished the game with 11 points and 6 rebounds.