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Finding the Fourth Proportional to 69,310.74, 95,648.71 and 39,095.97

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Solution

The fourth proportional to 69,310.74, 95,648.71 and 39,095.97 is: 53,952.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,310.74 : 95,648.71 = 39,095.97 : x
  2. Step 2: Convert to fraction form
    69,310.74/95,648.71 = 39,095.97/x
  3. Step 3: Cross multiply
    69,310.74x = 95,648.71 × 39,095.97
  4. Step 4: Simplify right side
    69,310.74x = 3,739,479,096.70
  5. Step 5: Solve for x
    x = 3,739,479,096.70/69,310.74
  6. Step 6: Final answer
    x = 53,952.38

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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.