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Finding the Fourth Proportional to 61,591.78, 84,996.48 and 34,734.09

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Solution

The fourth proportional to 61,591.78, 84,996.48 and 34,734.09 is: 47,932.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,591.78 : 84,996.48 = 34,734.09 : x
  2. Step 2: Convert to fraction form
    61,591.78/84,996.48 = 34,734.09/x
  3. Step 3: Cross multiply
    61,591.78x = 84,996.48 × 34,734.09
  4. Step 4: Simplify right side
    61,591.78x = 2,952,275,386.00
  5. Step 5: Solve for x
    x = 2,952,275,386.00/61,591.78
  6. Step 6: Final answer
    x = 47,932.94

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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.