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Finding the Fourth Proportional to 62,691.87, 93,877.16 and 34,580.67

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Solution

The fourth proportional to 62,691.87, 93,877.16 and 34,580.67 is: 51,782.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,691.87 : 93,877.16 = 34,580.67 : x
  2. Step 2: Convert to fraction form
    62,691.87/93,877.16 = 34,580.67/x
  3. Step 3: Cross multiply
    62,691.87x = 93,877.16 × 34,580.67
  4. Step 4: Simplify right side
    62,691.87x = 3,246,335,288.13
  5. Step 5: Solve for x
    x = 3,246,335,288.13/62,691.87
  6. Step 6: Final answer
    x = 51,782.39

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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.