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Finding the Fourth Proportional to 60,593.10, 91,020.60 and 51,251.64

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Solution

The fourth proportional to 60,593.10, 91,020.60 and 51,251.64 is: 76,988.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,593.10 : 91,020.60 = 51,251.64 : x
  2. Step 2: Convert to fraction form
    60,593.10/91,020.60 = 51,251.64/x
  3. Step 3: Cross multiply
    60,593.10x = 91,020.60 × 51,251.64
  4. Step 4: Simplify right side
    60,593.10x = 4,664,955,023.78
  5. Step 5: Solve for x
    x = 4,664,955,023.78/60,593.10
  6. Step 6: Final answer
    x = 76,988.22

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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.