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Finding the Fourth Proportional to 87,524.44, 131,259.12 and 28,346.44

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Solution

The fourth proportional to 87,524.44, 131,259.12 and 28,346.44 is: 42,510.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,524.44 : 131,259.12 = 28,346.44 : x
  2. Step 2: Convert to fraction form
    87,524.44/131,259.12 = 28,346.44/x
  3. Step 3: Cross multiply
    87,524.44x = 131,259.12 × 28,346.44
  4. Step 4: Simplify right side
    87,524.44x = 3,720,728,769.53
  5. Step 5: Solve for x
    x = 3,720,728,769.53/87,524.44
  6. Step 6: Final answer
    x = 42,510.74

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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.