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Finding the Fourth Proportional to 65,600.82, 98,449.02 and 26,169.21

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Solution

The fourth proportional to 65,600.82, 98,449.02 and 26,169.21 is: 39,272.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,600.82 : 98,449.02 = 26,169.21 : x
  2. Step 2: Convert to fraction form
    65,600.82/98,449.02 = 26,169.21/x
  3. Step 3: Cross multiply
    65,600.82x = 98,449.02 × 26,169.21
  4. Step 4: Simplify right side
    65,600.82x = 2,576,333,078.67
  5. Step 5: Solve for x
    x = 2,576,333,078.67/65,600.82
  6. Step 6: Final answer
    x = 39,272.88

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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.