Finding the Fourth Proportional to 56,753,349.96, 85,130,026.08 and 13,622,553.34
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Solution
The fourth proportional to 56,753,349.96, 85,130,026.08 and 13,622,553.34 is: 20,433,830.28
Step by Step Solution
- Step 1: Write the proportion equation
56,753,349.96 : 85,130,026.08 = 13,622,553.34 : x - Step 2: Convert to fraction form
56,753,349.96/85,130,026.08 = 13,622,553.34/x - Step 3: Cross multiply
56,753,349.96x = 85,130,026.08 × 13,622,553.34 - Step 4: Simplify right side
56,753,349.96x = 1,159,688,321,110,391 - Step 5: Solve for x
x = 1,159,688,321,110,391/56,753,349.96 - Step 6: Final answer
x = 20,433,830.28
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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.