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Finding the Fourth Proportional to 65,375.25, 98,062.67 and 36,899.30

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Solution

The fourth proportional to 65,375.25, 98,062.67 and 36,899.30 is: 55,348.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,375.25 : 98,062.67 = 36,899.30 : x
  2. Step 2: Convert to fraction form
    65,375.25/98,062.67 = 36,899.30/x
  3. Step 3: Cross multiply
    65,375.25x = 98,062.67 × 36,899.30
  4. Step 4: Simplify right side
    65,375.25x = 3,618,443,204.32
  5. Step 5: Solve for x
    x = 3,618,443,204.32/65,375.25
  6. Step 6: Final answer
    x = 55,348.82

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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.