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Finding the Fourth Proportional to 62,266.80, 93,400.20 and 15,519.68

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Solution

The fourth proportional to 62,266.80, 93,400.20 and 15,519.68 is: 23,279.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,266.80 : 93,400.20 = 15,519.68 : x
  2. Step 2: Convert to fraction form
    62,266.80/93,400.20 = 15,519.68/x
  3. Step 3: Cross multiply
    62,266.80x = 93,400.20 × 15,519.68
  4. Step 4: Simplify right side
    62,266.80x = 1,449,541,215.94
  5. Step 5: Solve for x
    x = 1,449,541,215.94/62,266.80
  6. Step 6: Final answer
    x = 23,279.52

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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.