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Finding the Fourth Proportional to 59,178.25, 88,767.91 and 21,738.97

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Solution

The fourth proportional to 59,178.25, 88,767.91 and 21,738.97 is: 32,608.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,178.25 : 88,767.91 = 21,738.97 : x
  2. Step 2: Convert to fraction form
    59,178.25/88,767.91 = 21,738.97/x
  3. Step 3: Cross multiply
    59,178.25x = 88,767.91 × 21,738.97
  4. Step 4: Simplify right side
    59,178.25x = 1,929,722,488.61
  5. Step 5: Solve for x
    x = 1,929,722,488.61/59,178.25
  6. Step 6: Final answer
    x = 32,608.65

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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.