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Finding the Fourth Proportional to 69,371.90, 95,733.23 and 37,540.80

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Solution

The fourth proportional to 69,371.90, 95,733.23 and 37,540.80 is: 51,806.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,371.90 : 95,733.23 = 37,540.80 : x
  2. Step 2: Convert to fraction form
    69,371.90/95,733.23 = 37,540.80/x
  3. Step 3: Cross multiply
    69,371.90x = 95,733.23 × 37,540.80
  4. Step 4: Simplify right side
    69,371.90x = 3,593,902,122.33
  5. Step 5: Solve for x
    x = 3,593,902,122.33/69,371.90
  6. Step 6: Final answer
    x = 51,806.31

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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.