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Finding the Fourth Proportional to 71,609.52, 107,425.20 and 36,530.04

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Solution

The fourth proportional to 71,609.52, 107,425.20 and 36,530.04 is: 54,800.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,609.52 : 107,425.20 = 36,530.04 : x
  2. Step 2: Convert to fraction form
    71,609.52/107,425.20 = 36,530.04/x
  3. Step 3: Cross multiply
    71,609.52x = 107,425.20 × 36,530.04
  4. Step 4: Simplify right side
    71,609.52x = 3,924,246,853.01
  5. Step 5: Solve for x
    x = 3,924,246,853.01/71,609.52
  6. Step 6: Final answer
    x = 54,800.63

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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.