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 smallest to largest:<br>&bull; 63427 (smallest)<br>&bull; 63742<br>&bull; 67234<br>&bull; 67342 (largest)<br><br>Final Answer: 63427, 63742, 67234, 67342