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Finding the Fourth Proportional to 49,738.88, 68,605.44 and 47,613.44

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Solution

The fourth proportional to 49,738.88, 68,605.44 and 47,613.44 is: 65,673.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,738.88 : 68,605.44 = 47,613.44 : x
  2. Step 2: Convert to fraction form
    49,738.88/68,605.44 = 47,613.44/x
  3. Step 3: Cross multiply
    49,738.88x = 68,605.44 × 47,613.44
  4. Step 4: Simplify right side
    49,738.88x = 3,266,541,001.11
  5. Step 5: Solve for x
    x = 3,266,541,001.11/49,738.88
  6. Step 6: Final answer
    x = 65,673.79

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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.