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Finding the Fourth Proportional to 80,018.28, 120,027.36 and 24,614.28

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Solution

The fourth proportional to 80,018.28, 120,027.36 and 24,614.28 is: 36,921.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,018.28 : 120,027.36 = 24,614.28 : x
  2. Step 2: Convert to fraction form
    80,018.28/120,027.36 = 24,614.28/x
  3. Step 3: Cross multiply
    80,018.28x = 120,027.36 × 24,614.28
  4. Step 4: Simplify right side
    80,018.28x = 2,954,387,046.70
  5. Step 5: Solve for x
    x = 2,954,387,046.70/80,018.28
  6. Step 6: Final answer
    x = 36,921.40

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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.