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Finding the Fourth Proportional to 27,912.74, 41,849.06 and 9,182.30

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Solution

The fourth proportional to 27,912.74, 41,849.06 and 9,182.30 is: 13,766.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,912.74 : 41,849.06 = 9,182.30 : x
  2. Step 2: Convert to fraction form
    27,912.74/41,849.06 = 9,182.30/x
  3. Step 3: Cross multiply
    27,912.74x = 41,849.06 × 9,182.30
  4. Step 4: Simplify right side
    27,912.74x = 384,270,368.48
  5. Step 5: Solve for x
    x = 384,270,368.48/27,912.74
  6. Step 6: Final answer
    x = 13,766.85

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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.