Finding the Fourth Proportional to 44,280,577.80, 66,430,197.90 and 18,708,424.20
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Solution
The fourth proportional to 44,280,577.80, 66,430,197.90 and 18,708,424.20 is: 28,066,578.71
Step by Step Solution
- Step 1: Write the proportion equation
44,280,577.80 : 66,430,197.90 = 18,708,424.20 : x - Step 2: Convert to fraction form
44,280,577.80/66,430,197.90 = 18,708,424.20/x - Step 3: Cross multiply
44,280,577.80x = 66,430,197.90 × 18,708,424.20 - Step 4: Simplify right side
44,280,577.80x = 1,242,804,322,003,149 - Step 5: Solve for x
x = 1,242,804,322,003,149/44,280,577.80 - Step 6: Final answer
x = 28,066,578.71
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.