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Finding the Fourth Proportional to 83,690.70, 125,523.90 and 24,520.20

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Solution

The fourth proportional to 83,690.70, 125,523.90 and 24,520.20 is: 36,776.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,690.70 : 125,523.90 = 24,520.20 : x
  2. Step 2: Convert to fraction form
    83,690.70/125,523.90 = 24,520.20/x
  3. Step 3: Cross multiply
    83,690.70x = 125,523.90 × 24,520.20
  4. Step 4: Simplify right side
    83,690.70x = 3,077,871,132.78
  5. Step 5: Solve for x
    x = 3,077,871,132.78/83,690.70
  6. Step 6: Final answer
    x = 36,776.74

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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.