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Finding the Fourth Proportional to 62,487.40, 86,231.46 and 34,192.52

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Solution

The fourth proportional to 62,487.40, 86,231.46 and 34,192.52 is: 47,185.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,487.40 : 86,231.46 = 34,192.52 : x
  2. Step 2: Convert to fraction form
    62,487.40/86,231.46 = 34,192.52/x
  3. Step 3: Cross multiply
    62,487.40x = 86,231.46 × 34,192.52
  4. Step 4: Simplify right side
    62,487.40x = 2,948,470,920.68
  5. Step 5: Solve for x
    x = 2,948,470,920.68/62,487.40
  6. Step 6: Final answer
    x = 47,185.05

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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.