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Finding the Fourth Proportional to 63,165.80, 94,781.64 and 25,753.52

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Solution

The fourth proportional to 63,165.80, 94,781.64 and 25,753.52 is: 38,643.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,165.80 : 94,781.64 = 25,753.52 : x
  2. Step 2: Convert to fraction form
    63,165.80/94,781.64 = 25,753.52/x
  3. Step 3: Cross multiply
    63,165.80x = 94,781.64 × 25,753.52
  4. Step 4: Simplify right side
    63,165.80x = 2,440,960,861.37
  5. Step 5: Solve for x
    x = 2,440,960,861.37/63,165.80
  6. Step 6: Final answer
    x = 38,643.71

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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.