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Finding the Fourth Proportional to 64,447.62, 88,938.34 and 36,153.92

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Solution

The fourth proportional to 64,447.62, 88,938.34 and 36,153.92 is: 49,892.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,447.62 : 88,938.34 = 36,153.92 : x
  2. Step 2: Convert to fraction form
    64,447.62/88,938.34 = 36,153.92/x
  3. Step 3: Cross multiply
    64,447.62x = 88,938.34 × 36,153.92
  4. Step 4: Simplify right side
    64,447.62x = 3,215,469,629.29
  5. Step 5: Solve for x
    x = 3,215,469,629.29/64,447.62
  6. Step 6: Final answer
    x = 49,892.76

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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.