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Finding the Fourth Proportional to 16,300,921.20, 24,451,381.80 and 10,632,217.20

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Solution

The fourth proportional to 16,300,921.20, 24,451,381.80 and 10,632,217.20 is: 15,948,325.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,300,921.20 : 24,451,381.80 = 10,632,217.20 : x
  2. Step 2: Convert to fraction form
    16,300,921.20/24,451,381.80 = 10,632,217.20/x
  3. Step 3: Cross multiply
    16,300,921.20x = 24,451,381.80 × 10,632,217.20
  4. Step 4: Simplify right side
    16,300,921.20x = 259,972,402,137,726.94
  5. Step 5: Solve for x
    x = 259,972,402,137,726.94/16,300,921.20
  6. Step 6: Final answer
    x = 15,948,325.80

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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.