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Finding the Fourth Proportional to 16,632,406.60, 24,948,609.90 and 10,221,872.20

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Solution

The fourth proportional to 16,632,406.60, 24,948,609.90 and 10,221,872.20 is: 15,332,808.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,632,406.60 : 24,948,609.90 = 10,221,872.20 : x
  2. Step 2: Convert to fraction form
    16,632,406.60/24,948,609.90 = 10,221,872.20/x
  3. Step 3: Cross multiply
    16,632,406.60x = 24,948,609.90 × 10,221,872.20
  4. Step 4: Simplify right side
    16,632,406.60x = 255,021,501,965,454.75
  5. Step 5: Solve for x
    x = 255,021,501,965,454.75/16,632,406.60
  6. Step 6: Final answer
    x = 15,332,808.30

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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.