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Finding the Fourth Proportional to 14,331, 21,499.56 and 5,565.90

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Solution

The fourth proportional to 14,331, 21,499.56 and 5,565.90 is: 8,350.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,331 : 21,499.56 = 5,565.90 : x
  2. Step 2: Convert to fraction form
    14,331/21,499.56 = 5,565.90/x
  3. Step 3: Cross multiply
    14,331x = 21,499.56 × 5,565.90
  4. Step 4: Simplify right side
    14,331x = 119,664,401.00
  5. Step 5: Solve for x
    x = 119,664,401.00/14,331
  6. Step 6: Final answer
    x = 8,350.04

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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.