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Finding the Fourth Proportional to 57,866.88, 86,711.02 and 39,073.26

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Solution

The fourth proportional to 57,866.88, 86,711.02 and 39,073.26 is: 58,549.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,866.88 : 86,711.02 = 39,073.26 : x
  2. Step 2: Convert to fraction form
    57,866.88/86,711.02 = 39,073.26/x
  3. Step 3: Cross multiply
    57,866.88x = 86,711.02 × 39,073.26
  4. Step 4: Simplify right side
    57,866.88x = 3,388,082,229.33
  5. Step 5: Solve for x
    x = 3,388,082,229.33/57,866.88
  6. Step 6: Final answer
    x = 58,549.59

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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.