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Finding the Fourth Proportional to 64,209.28, 96,371.84 and 37,937.92

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Solution

The fourth proportional to 64,209.28, 96,371.84 and 37,937.92 is: 56,941.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,209.28 : 96,371.84 = 37,937.92 : x
  2. Step 2: Convert to fraction form
    64,209.28/96,371.84 = 37,937.92/x
  3. Step 3: Cross multiply
    64,209.28x = 96,371.84 × 37,937.92
  4. Step 4: Simplify right side
    64,209.28x = 3,656,147,156.17
  5. Step 5: Solve for x
    x = 3,656,147,156.17/64,209.28
  6. Step 6: Final answer
    x = 56,941.10

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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.