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Finding the Fourth Proportional to 65,517.30, 98,348.85 and 35,992.80

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Solution

The fourth proportional to 65,517.30, 98,348.85 and 35,992.80 is: 54,029.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,517.30 : 98,348.85 = 35,992.80 : x
  2. Step 2: Convert to fraction form
    65,517.30/98,348.85 = 35,992.80/x
  3. Step 3: Cross multiply
    65,517.30x = 98,348.85 × 35,992.80
  4. Step 4: Simplify right side
    65,517.30x = 3,539,850,488.28
  5. Step 5: Solve for x
    x = 3,539,850,488.28/65,517.30
  6. Step 6: Final answer
    x = 54,029.25

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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.