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Finding the Fourth Proportional to 61,227.11, 91,829.91 and 16,843.16

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Solution

The fourth proportional to 61,227.11, 91,829.91 and 16,843.16 is: 25,261.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,227.11 : 91,829.91 = 16,843.16 : x
  2. Step 2: Convert to fraction form
    61,227.11/91,829.91 = 16,843.16/x
  3. Step 3: Cross multiply
    61,227.11x = 91,829.91 × 16,843.16
  4. Step 4: Simplify right side
    61,227.11x = 1,546,705,866.92
  5. Step 5: Solve for x
    x = 1,546,705,866.92/61,227.11
  6. Step 6: Final answer
    x = 25,261.78

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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.