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Finding the Fourth Proportional to 64,469.52, 88,967.70 and 36,175.14

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Solution

The fourth proportional to 64,469.52, 88,967.70 and 36,175.14 is: 49,921.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,469.52 : 88,967.70 = 36,175.14 : x
  2. Step 2: Convert to fraction form
    64,469.52/88,967.70 = 36,175.14/x
  3. Step 3: Cross multiply
    64,469.52x = 88,967.70 × 36,175.14
  4. Step 4: Simplify right side
    64,469.52x = 3,218,419,002.98
  5. Step 5: Solve for x
    x = 3,218,419,002.98/64,469.52
  6. Step 6: Final answer
    x = 49,921.56

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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.