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Finding the Fourth Proportional to 43,691.91, 60,275.87 and 27,767.82

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Solution

The fourth proportional to 43,691.91, 60,275.87 and 27,767.82 is: 38,307.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,691.91 : 60,275.87 = 27,767.82 : x
  2. Step 2: Convert to fraction form
    43,691.91/60,275.87 = 27,767.82/x
  3. Step 3: Cross multiply
    43,691.91x = 60,275.87 × 27,767.82
  4. Step 4: Simplify right side
    43,691.91x = 1,673,729,473.79
  5. Step 5: Solve for x
    x = 1,673,729,473.79/43,691.91
  6. Step 6: Final answer
    x = 38,307.53

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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.