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Finding the Fourth Proportional to 16,646.67, 24,972.36 and 5,398.20

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Solution

The fourth proportional to 16,646.67, 24,972.36 and 5,398.20 is: 8,098.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,646.67 : 24,972.36 = 5,398.20 : x
  2. Step 2: Convert to fraction form
    16,646.67/24,972.36 = 5,398.20/x
  3. Step 3: Cross multiply
    16,646.67x = 24,972.36 × 5,398.20
  4. Step 4: Simplify right side
    16,646.67x = 134,805,793.75
  5. Step 5: Solve for x
    x = 134,805,793.75/16,646.67
  6. Step 6: Final answer
    x = 8,098.06

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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.