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Finding the Fourth Proportional to 16,560.20, 24,807.90 and 9,966.80

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Solution

The fourth proportional to 16,560.20, 24,807.90 and 9,966.80 is: 14,930.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,560.20 : 24,807.90 = 9,966.80 : x
  2. Step 2: Convert to fraction form
    16,560.20/24,807.90 = 9,966.80/x
  3. Step 3: Cross multiply
    16,560.20x = 24,807.90 × 9,966.80
  4. Step 4: Simplify right side
    16,560.20x = 247,255,377.72
  5. Step 5: Solve for x
    x = 247,255,377.72/16,560.20
  6. Step 6: Final answer
    x = 14,930.70

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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.