Answer: 990 lbs
Step-by-step explanation:
Set up the proportion, then cross multiply and solve for the unknown value (pounds).
[tex]\dfrac{55\ lbs}{404\ sq\ ft}=\dfrac{x}{7272\ sq\ ft}\\\\\\55\ lbs\cdot 7272\ sq\ ft=404\ sq\ ft\cdot x\\\\\\\dfrac{55\ lbs\cdot 7272\ sq\ ft}{404\ sq\ ft}=x\\\\\\990\ lbs=x[/tex]