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Finding the Fourth Proportional to 62,498.87, 93,716.40 and 20,351.88

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Solution

The fourth proportional to 62,498.87, 93,716.40 and 20,351.88 is: 30,517.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,498.87 : 93,716.40 = 20,351.88 : x
  2. Step 2: Convert to fraction form
    62,498.87/93,716.40 = 20,351.88/x
  3. Step 3: Cross multiply
    62,498.87x = 93,716.40 × 20,351.88
  4. Step 4: Simplify right side
    62,498.87x = 1,907,304,926.83
  5. Step 5: Solve for x
    x = 1,907,304,926.83/62,498.87
  6. Step 6: Final answer
    x = 30,517.43

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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.