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Finding the Fourth Proportional to 62,913.52, 86,817.36 and 34,613.74

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Solution

The fourth proportional to 62,913.52, 86,817.36 and 34,613.74 is: 47,765.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,913.52 : 86,817.36 = 34,613.74 : x
  2. Step 2: Convert to fraction form
    62,913.52/86,817.36 = 34,613.74/x
  3. Step 3: Cross multiply
    62,913.52x = 86,817.36 × 34,613.74
  4. Step 4: Simplify right side
    62,913.52x = 3,005,073,526.53
  5. Step 5: Solve for x
    x = 3,005,073,526.53/62,913.52
  6. Step 6: Final answer
    x = 47,765.15

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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.