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Finding the Fourth Proportional to 64,366.64, 88,850.76 and 62,591.12

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Solution

The fourth proportional to 64,366.64, 88,850.76 and 62,591.12 is: 86,399.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,366.64 : 88,850.76 = 62,591.12 : x
  2. Step 2: Convert to fraction form
    64,366.64/88,850.76 = 62,591.12/x
  3. Step 3: Cross multiply
    64,366.64x = 88,850.76 × 62,591.12
  4. Step 4: Simplify right side
    64,366.64x = 5,561,268,581.25
  5. Step 5: Solve for x
    x = 5,561,268,581.25/64,366.64
  6. Step 6: Final answer
    x = 86,399.86

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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.