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Finding the Fourth Proportional to 83,652.79, 125,452.57 and 27,479.86

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Solution

The fourth proportional to 83,652.79, 125,452.57 and 27,479.86 is: 41,211.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,652.79 : 125,452.57 = 27,479.86 : x
  2. Step 2: Convert to fraction form
    83,652.79/125,452.57 = 27,479.86/x
  3. Step 3: Cross multiply
    83,652.79x = 125,452.57 × 27,479.86
  4. Step 4: Simplify right side
    83,652.79x = 3,447,419,060.24
  5. Step 5: Solve for x
    x = 3,447,419,060.24/83,652.79
  6. Step 6: Final answer
    x = 41,211.05

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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.