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Finding the Fourth Proportional to 61,789.31, 92,691.17 and 22,364.99

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Solution

The fourth proportional to 61,789.31, 92,691.17 and 22,364.99 is: 33,550.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,789.31 : 92,691.17 = 22,364.99 : x
  2. Step 2: Convert to fraction form
    61,789.31/92,691.17 = 22,364.99/x
  3. Step 3: Cross multiply
    61,789.31x = 92,691.17 × 22,364.99
  4. Step 4: Simplify right side
    61,789.31x = 2,073,037,090.14
  5. Step 5: Solve for x
    x = 2,073,037,090.14/61,789.31
  6. Step 6: Final answer
    x = 33,550.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.