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Finding the Fourth Proportional to 65,377.80, 98,039.82 and 25,929.48

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Solution

The fourth proportional to 65,377.80, 98,039.82 and 25,929.48 is: 38,883.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,377.80 : 98,039.82 = 25,929.48 : x
  2. Step 2: Convert to fraction form
    65,377.80/98,039.82 = 25,929.48/x
  3. Step 3: Cross multiply
    65,377.80x = 98,039.82 × 25,929.48
  4. Step 4: Simplify right side
    65,377.80x = 2,542,121,551.89
  5. Step 5: Solve for x
    x = 2,542,121,551.89/65,377.80
  6. Step 6: Final answer
    x = 38,883.56

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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.