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Finding the Fourth Proportional to 57,472.60, 86,157.60 and 22,404.10

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Solution

The fourth proportional to 57,472.60, 86,157.60 and 22,404.10 is: 33,586.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,472.60 : 86,157.60 = 22,404.10 : x
  2. Step 2: Convert to fraction form
    57,472.60/86,157.60 = 22,404.10/x
  3. Step 3: Cross multiply
    57,472.60x = 86,157.60 × 22,404.10
  4. Step 4: Simplify right side
    57,472.60x = 1,930,283,486.16
  5. Step 5: Solve for x
    x = 1,930,283,486.16/57,472.60
  6. Step 6: Final answer
    x = 33,586.15

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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.