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Finding the Fourth Proportional to 65,375.28, 98,104.36 and 27,935.61

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Solution

The fourth proportional to 65,375.28, 98,104.36 and 27,935.61 is: 41,921.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,375.28 : 98,104.36 = 27,935.61 : x
  2. Step 2: Convert to fraction form
    65,375.28/98,104.36 = 27,935.61/x
  3. Step 3: Cross multiply
    65,375.28x = 98,104.36 × 27,935.61
  4. Step 4: Simplify right side
    65,375.28x = 2,740,605,140.26
  5. Step 5: Solve for x
    x = 2,740,605,140.26/65,375.28
  6. Step 6: Final answer
    x = 41,921.12

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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.