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Finding the Fourth Proportional to 80,449.57, 120,693.86 and 24,286.32

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Solution

The fourth proportional to 80,449.57, 120,693.86 and 24,286.32 is: 36,435.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,449.57 : 120,693.86 = 24,286.32 : x
  2. Step 2: Convert to fraction form
    80,449.57/120,693.86 = 24,286.32/x
  3. Step 3: Cross multiply
    80,449.57x = 120,693.86 × 24,286.32
  4. Step 4: Simplify right side
    80,449.57x = 2,931,209,584.56
  5. Step 5: Solve for x
    x = 2,931,209,584.56/80,449.57
  6. Step 6: Final answer
    x = 36,435.37

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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.