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Finding the Fourth Proportional to 59,187.44, 88,781.15 and 21,731.30

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Solution

The fourth proportional to 59,187.44, 88,781.15 and 21,731.30 is: 32,596.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,187.44 : 88,781.15 = 21,731.30 : x
  2. Step 2: Convert to fraction form
    59,187.44/88,781.15 = 21,731.30/x
  3. Step 3: Cross multiply
    59,187.44x = 88,781.15 × 21,731.30
  4. Step 4: Simplify right side
    59,187.44x = 1,929,329,805.00
  5. Step 5: Solve for x
    x = 1,929,329,805.00/59,187.44
  6. Step 6: Final answer
    x = 32,596.95

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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.