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Finding the Fourth Proportional to 61,640.82, 92,519.01 and 32,079.60

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Solution

The fourth proportional to 61,640.82, 92,519.01 and 32,079.60 is: 48,149.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,640.82 : 92,519.01 = 32,079.60 : x
  2. Step 2: Convert to fraction form
    61,640.82/92,519.01 = 32,079.60/x
  3. Step 3: Cross multiply
    61,640.82x = 92,519.01 × 32,079.60
  4. Step 4: Simplify right side
    61,640.82x = 2,967,972,833.20
  5. Step 5: Solve for x
    x = 2,967,972,833.20/61,640.82
  6. Step 6: Final answer
    x = 48,149.47

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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.