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Finding the Fourth Proportional to 66,956.27, 100,435.92 and 26,979.27

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Solution

The fourth proportional to 66,956.27, 100,435.92 and 26,979.27 is: 40,469.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,956.27 : 100,435.92 = 26,979.27 : x
  2. Step 2: Convert to fraction form
    66,956.27/100,435.92 = 26,979.27/x
  3. Step 3: Cross multiply
    66,956.27x = 100,435.92 × 26,979.27
  4. Step 4: Simplify right side
    66,956.27x = 2,709,687,668.48
  5. Step 5: Solve for x
    x = 2,709,687,668.48/66,956.27
  6. Step 6: Final answer
    x = 40,469.52

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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.