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Finding the Fourth Proportional to 5,929.54, 8,891.88 and 2,229.80

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Solution

The fourth proportional to 5,929.54, 8,891.88 and 2,229.80 is: 3,343.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,929.54 : 8,891.88 = 2,229.80 : x
  2. Step 2: Convert to fraction form
    5,929.54/8,891.88 = 2,229.80/x
  3. Step 3: Cross multiply
    5,929.54x = 8,891.88 × 2,229.80
  4. Step 4: Simplify right side
    5,929.54x = 19,827,061.20
  5. Step 5: Solve for x
    x = 19,827,061.20/5,929.54
  6. Step 6: Final answer
    x = 3,343.78

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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.