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Finding the Fourth Proportional to 24,387.62, 33,654.70 and 13,209.62

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Solution

The fourth proportional to 24,387.62, 33,654.70 and 13,209.62 is: 18,229.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,387.62 : 33,654.70 = 13,209.62 : x
  2. Step 2: Convert to fraction form
    24,387.62/33,654.70 = 13,209.62/x
  3. Step 3: Cross multiply
    24,387.62x = 33,654.70 × 13,209.62
  4. Step 4: Simplify right side
    24,387.62x = 444,565,798.21
  5. Step 5: Solve for x
    x = 444,565,798.21/24,387.62
  6. Step 6: Final answer
    x = 18,229.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.