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Finding the Fourth Proportional to 69,806.79, 96,332.31 and 37,974.96

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Solution

The fourth proportional to 69,806.79, 96,332.31 and 37,974.96 is: 52,404.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,806.79 : 96,332.31 = 37,974.96 : x
  2. Step 2: Convert to fraction form
    69,806.79/96,332.31 = 37,974.96/x
  3. Step 3: Cross multiply
    69,806.79x = 96,332.31 × 37,974.96
  4. Step 4: Simplify right side
    69,806.79x = 3,658,215,618.96
  5. Step 5: Solve for x
    x = 3,658,215,618.96/69,806.79
  6. Step 6: Final answer
    x = 52,404.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.