Find how many sets of $4 are in $60, then multiply by 3 oranges per set.<br><br>
&bull; Number of $4 sets in $60 = 60 &divide; 4 = 15<br>
&bull; Each set gives 3 oranges: 15 &times; 3 = 45<br><br>
With $60, you can buy 45 oranges.<br>
Check: 45 &divide; 3 = 15 sets, 15 &times; $4 = $60. &#10003;<br><br>
Final Answer: 45