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Finding the Fourth Proportional to 65,843.28, 98,777.22 and 26,403.48

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Solution

The fourth proportional to 65,843.28, 98,777.22 and 26,403.48 is: 39,610.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,843.28 : 98,777.22 = 26,403.48 : x
  2. Step 2: Convert to fraction form
    65,843.28/98,777.22 = 26,403.48/x
  3. Step 3: Cross multiply
    65,843.28x = 98,777.22 × 26,403.48
  4. Step 4: Simplify right side
    65,843.28x = 2,608,062,352.73
  5. Step 5: Solve for x
    x = 2,608,062,352.73/65,843.28
  6. Step 6: Final answer
    x = 39,610.15

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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.