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Finding the Fourth Proportional to 16,690,131.20, 24,979,209.60 and 16,690,131.20

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Solution

The fourth proportional to 16,690,131.20, 24,979,209.60 and 16,690,131.20 is: 24,979,209.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,690,131.20 : 24,979,209.60 = 16,690,131.20 : x
  2. Step 2: Convert to fraction form
    16,690,131.20/24,979,209.60 = 16,690,131.20/x
  3. Step 3: Cross multiply
    16,690,131.20x = 24,979,209.60 × 16,690,131.20
  4. Step 4: Simplify right side
    16,690,131.20x = 416,906,285,496,299.50
  5. Step 5: Solve for x
    x = 416,906,285,496,299.50/16,690,131.20
  6. Step 6: Final answer
    x = 24,979,209.60

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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.