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Finding the Fourth Proportional to 16,613.80, 24,891.90 and 10,767.40

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Solution

The fourth proportional to 16,613.80, 24,891.90 and 10,767.40 is: 16,132.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,613.80 : 24,891.90 = 10,767.40 : x
  2. Step 2: Convert to fraction form
    16,613.80/24,891.90 = 10,767.40/x
  3. Step 3: Cross multiply
    16,613.80x = 24,891.90 × 10,767.40
  4. Step 4: Simplify right side
    16,613.80x = 268,021,044.06
  5. Step 5: Solve for x
    x = 268,021,044.06/16,613.80
  6. Step 6: Final answer
    x = 16,132.43

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1.5x scale

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.