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Finding the Fourth Proportional to 69,481.40, 95,884.79 and 37,650.56

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Solution

The fourth proportional to 69,481.40, 95,884.79 and 37,650.56 is: 51,958.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,481.40 : 95,884.79 = 37,650.56 : x
  2. Step 2: Convert to fraction form
    69,481.40/95,884.79 = 37,650.56/x
  3. Step 3: Cross multiply
    69,481.40x = 95,884.79 × 37,650.56
  4. Step 4: Simplify right side
    69,481.40x = 3,610,115,371.31
  5. Step 5: Solve for x
    x = 3,610,115,371.31/69,481.40
  6. Step 6: Final answer
    x = 51,958.02

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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.