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Finding the Fourth Proportional to 16,514.68, 24,772.02 and 7,147.04

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Solution

The fourth proportional to 16,514.68, 24,772.02 and 7,147.04 is: 10,720.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,514.68 : 24,772.02 = 7,147.04 : x
  2. Step 2: Convert to fraction form
    16,514.68/24,772.02 = 7,147.04/x
  3. Step 3: Cross multiply
    16,514.68x = 24,772.02 × 7,147.04
  4. Step 4: Simplify right side
    16,514.68x = 177,046,617.82
  5. Step 5: Solve for x
    x = 177,046,617.82/16,514.68
  6. Step 6: Final answer
    x = 10,720.56

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Double scale
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Similar ratio
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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.