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Finding the Fourth Proportional to 24,609.29, 36,920.41 and 8,815.91

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Solution

The fourth proportional to 24,609.29, 36,920.41 and 8,815.91 is: 13,226.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,609.29 : 36,920.41 = 8,815.91 : x
  2. Step 2: Convert to fraction form
    24,609.29/36,920.41 = 8,815.91/x
  3. Step 3: Cross multiply
    24,609.29x = 36,920.41 × 8,815.91
  4. Step 4: Simplify right side
    24,609.29x = 325,486,805.08
  5. Step 5: Solve for x
    x = 325,486,805.08/24,609.29
  6. Step 6: Final answer
    x = 13,226.18

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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.