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Finding the Fourth Proportional to 71,001.48, 97,938.60 and 45,499.24

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Solution

The fourth proportional to 71,001.48, 97,938.60 and 45,499.24 is: 62,761.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,001.48 : 97,938.60 = 45,499.24 : x
  2. Step 2: Convert to fraction form
    71,001.48/97,938.60 = 45,499.24/x
  3. Step 3: Cross multiply
    71,001.48x = 97,938.60 × 45,499.24
  4. Step 4: Simplify right side
    71,001.48x = 4,456,131,866.66
  5. Step 5: Solve for x
    x = 4,456,131,866.66/71,001.48
  6. Step 6: Final answer
    x = 62,761.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.