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Finding the Fourth Proportional to 64,481.73, 96,757.89 and 25,040.40

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Solution

The fourth proportional to 64,481.73, 96,757.89 and 25,040.40 is: 37,574.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,481.73 : 96,757.89 = 25,040.40 : x
  2. Step 2: Convert to fraction form
    64,481.73/96,757.89 = 25,040.40/x
  3. Step 3: Cross multiply
    64,481.73x = 96,757.89 × 25,040.40
  4. Step 4: Simplify right side
    64,481.73x = 2,422,856,268.76
  5. Step 5: Solve for x
    x = 2,422,856,268.76/64,481.73
  6. Step 6: Final answer
    x = 37,574.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.