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Finding the Fourth Proportional to 71,990.88, 107,985.86 and 24,583.10

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Solution

The fourth proportional to 71,990.88, 107,985.86 and 24,583.10 is: 36,874.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,990.88 : 107,985.86 = 24,583.10 : x
  2. Step 2: Convert to fraction form
    71,990.88/107,985.86 = 24,583.10/x
  3. Step 3: Cross multiply
    71,990.88x = 107,985.86 × 24,583.10
  4. Step 4: Simplify right side
    71,990.88x = 2,654,626,624.31
  5. Step 5: Solve for x
    x = 2,654,626,624.31/71,990.88
  6. Step 6: Final answer
    x = 36,874.49

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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.