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Finding the Fourth Proportional to 61,791.93, 85,269.56 and 34,932.83

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Solution

The fourth proportional to 61,791.93, 85,269.56 and 34,932.83 is: 48,205.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,791.93 : 85,269.56 = 34,932.83 : x
  2. Step 2: Convert to fraction form
    61,791.93/85,269.56 = 34,932.83/x
  3. Step 3: Cross multiply
    61,791.93x = 85,269.56 × 34,932.83
  4. Step 4: Simplify right side
    61,791.93x = 2,978,706,442.64
  5. Step 5: Solve for x
    x = 2,978,706,442.64/61,791.93
  6. Step 6: Final answer
    x = 48,205.43

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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.