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Finding the Fourth Proportional to 68,791.41, 94,927.68 and 38,576.52

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Solution

The fourth proportional to 68,791.41, 94,927.68 and 38,576.52 is: 53,233.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,791.41 : 94,927.68 = 38,576.52 : x
  2. Step 2: Convert to fraction form
    68,791.41/94,927.68 = 38,576.52/x
  3. Step 3: Cross multiply
    68,791.41x = 94,927.68 × 38,576.52
  4. Step 4: Simplify right side
    68,791.41x = 3,661,979,546.07
  5. Step 5: Solve for x
    x = 3,661,979,546.07/68,791.41
  6. Step 6: Final answer
    x = 53,233.09

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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.