Compare the numbers digit by digit, starting from the ten-thousands place.<br><br>Ten-thousands digits: 6, 6, 6, 6. Numbers with the same ten-thousands digit are further compared at the thousands, hundreds, tens, and ones places.<br><br>From largest to smallest:<br>&bull; 67824 (greatest)<br>&bull; 67482<br>&bull; 64827<br>&bull; 64782 (smallest)<br><br>Final Answer: 67824, 67482, 64827, 64782