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Finding the Fourth Proportional to 83,684.78, 125,527.17 and 24,520.46

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Solution

The fourth proportional to 83,684.78, 125,527.17 and 24,520.46 is: 36,780.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,684.78 : 125,527.17 = 24,520.46 : x
  2. Step 2: Convert to fraction form
    83,684.78/125,527.17 = 24,520.46/x
  3. Step 3: Cross multiply
    83,684.78x = 125,527.17 × 24,520.46
  4. Step 4: Simplify right side
    83,684.78x = 3,077,983,950.90
  5. Step 5: Solve for x
    x = 3,077,983,950.90/83,684.78
  6. Step 6: Final answer
    x = 36,780.69

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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.