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Finding the Fourth Proportional to 69,785.82, 96,301.68 and 37,954.68

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Solution

The fourth proportional to 69,785.82, 96,301.68 and 37,954.68 is: 52,375.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,785.82 : 96,301.68 = 37,954.68 : x
  2. Step 2: Convert to fraction form
    69,785.82/96,301.68 = 37,954.68/x
  3. Step 3: Cross multiply
    69,785.82x = 96,301.68 × 37,954.68
  4. Step 4: Simplify right side
    69,785.82x = 3,655,099,447.86
  5. Step 5: Solve for x
    x = 3,655,099,447.86/69,785.82
  6. Step 6: Final answer
    x = 52,375.96

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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.