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Finding the Fourth Proportional to 62,575.50, 86,354.19 and 37,425

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Solution

The fourth proportional to 62,575.50, 86,354.19 and 37,425 is: 51,646.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,575.50 : 86,354.19 = 37,425 : x
  2. Step 2: Convert to fraction form
    62,575.50/86,354.19 = 37,425/x
  3. Step 3: Cross multiply
    62,575.50x = 86,354.19 × 37,425
  4. Step 4: Simplify right side
    62,575.50x = 3,231,805,560.75
  5. Step 5: Solve for x
    x = 3,231,805,560.75/62,575.50
  6. Step 6: Final answer
    x = 51,646.50

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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.