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Finding the Fourth Proportional to 24,439, 36,659.19 and 8,641.80

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Solution

The fourth proportional to 24,439, 36,659.19 and 8,641.80 is: 12,962.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,439 : 36,659.19 = 8,641.80 : x
  2. Step 2: Convert to fraction form
    24,439/36,659.19 = 8,641.80/x
  3. Step 3: Cross multiply
    24,439x = 36,659.19 × 8,641.80
  4. Step 4: Simplify right side
    24,439x = 316,801,344.93
  5. Step 5: Solve for x
    x = 316,801,344.93/24,439
  6. Step 6: Final answer
    x = 12,962.94

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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.