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Finding the Fourth Proportional to 65,396.82, 98,128.38 and 29,854.20

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Solution

The fourth proportional to 65,396.82, 98,128.38 and 29,854.20 is: 44,796.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,396.82 : 98,128.38 = 29,854.20 : x
  2. Step 2: Convert to fraction form
    65,396.82/98,128.38 = 29,854.20/x
  3. Step 3: Cross multiply
    65,396.82x = 98,128.38 × 29,854.20
  4. Step 4: Simplify right side
    65,396.82x = 2,929,544,282.20
  5. Step 5: Solve for x
    x = 2,929,544,282.20/65,396.82
  6. Step 6: Final answer
    x = 44,796.43

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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.