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Finding the Fourth Proportional to 61,543.98, 84,959.07 and 36,046.80

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Solution

The fourth proportional to 61,543.98, 84,959.07 and 36,046.80 is: 49,761.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,543.98 : 84,959.07 = 36,046.80 : x
  2. Step 2: Convert to fraction form
    61,543.98/84,959.07 = 36,046.80/x
  3. Step 3: Cross multiply
    61,543.98x = 84,959.07 × 36,046.80
  4. Step 4: Simplify right side
    61,543.98x = 3,062,502,604.48
  5. Step 5: Solve for x
    x = 3,062,502,604.48/61,543.98
  6. Step 6: Final answer
    x = 49,761.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.