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Finding the Fourth Proportional to 69,372.48, 95,733.24 and 37,540.80

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Solution

The fourth proportional to 69,372.48, 95,733.24 and 37,540.80 is: 51,805.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,372.48 : 95,733.24 = 37,540.80 : x
  2. Step 2: Convert to fraction form
    69,372.48/95,733.24 = 37,540.80/x
  3. Step 3: Cross multiply
    69,372.48x = 95,733.24 × 37,540.80
  4. Step 4: Simplify right side
    69,372.48x = 3,593,902,416.19
  5. Step 5: Solve for x
    x = 3,593,902,416.19/69,372.48
  6. Step 6: Final answer
    x = 51,805.88

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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.