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Finding the Fourth Proportional to 66,713.38, 100,062.61 and 16,793.42

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Solution

The fourth proportional to 66,713.38, 100,062.61 and 16,793.42 is: 25,188.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,713.38 : 100,062.61 = 16,793.42 : x
  2. Step 2: Convert to fraction form
    66,713.38/100,062.61 = 16,793.42/x
  3. Step 3: Cross multiply
    66,713.38x = 100,062.61 × 16,793.42
  4. Step 4: Simplify right side
    66,713.38x = 1,680,392,893.73
  5. Step 5: Solve for x
    x = 1,680,392,893.73/66,713.38
  6. Step 6: Final answer
    x = 25,188.24

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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.