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Finding the Fourth Proportional to 69,310.75, 95,648.83 and 37,479.65

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Solution

The fourth proportional to 69,310.75, 95,648.83 and 37,479.65 is: 51,721.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,310.75 : 95,648.83 = 37,479.65 : x
  2. Step 2: Convert to fraction form
    69,310.75/95,648.83 = 37,479.65/x
  3. Step 3: Cross multiply
    69,310.75x = 95,648.83 × 37,479.65
  4. Step 4: Simplify right side
    69,310.75x = 3,584,884,193.07
  5. Step 5: Solve for x
    x = 3,584,884,193.07/69,310.75
  6. Step 6: Final answer
    x = 51,721.91

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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.