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Finding the Fourth Proportional to 14,785.69, 22,183.08 and 8,869.14

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Solution

The fourth proportional to 14,785.69, 22,183.08 and 8,869.14 is: 13,306.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,785.69 : 22,183.08 = 8,869.14 : x
  2. Step 2: Convert to fraction form
    14,785.69/22,183.08 = 8,869.14/x
  3. Step 3: Cross multiply
    14,785.69x = 22,183.08 × 8,869.14
  4. Step 4: Simplify right side
    14,785.69x = 196,744,842.15
  5. Step 5: Solve for x
    x = 196,744,842.15/14,785.69
  6. Step 6: Final answer
    x = 13,306.44

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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.