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Finding the Fourth Proportional to 27,842.52, 41,759.46 and 8,119.02

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Solution

The fourth proportional to 27,842.52, 41,759.46 and 8,119.02 is: 12,177.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,842.52 : 41,759.46 = 8,119.02 : x
  2. Step 2: Convert to fraction form
    27,842.52/41,759.46 = 8,119.02/x
  3. Step 3: Cross multiply
    27,842.52x = 41,759.46 × 8,119.02
  4. Step 4: Simplify right side
    27,842.52x = 339,045,890.93
  5. Step 5: Solve for x
    x = 339,045,890.93/27,842.52
  6. Step 6: Final answer
    x = 12,177.27

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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.