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Finding the Fourth Proportional to 27,859.84, 41,791.92 and 12,065.92

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Solution

The fourth proportional to 27,859.84, 41,791.92 and 12,065.92 is: 18,099.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,859.84 : 41,791.92 = 12,065.92 : x
  2. Step 2: Convert to fraction form
    27,859.84/41,791.92 = 12,065.92/x
  3. Step 3: Cross multiply
    27,859.84x = 41,791.92 × 12,065.92
  4. Step 4: Simplify right side
    27,859.84x = 504,257,963.37
  5. Step 5: Solve for x
    x = 504,257,963.37/27,859.84
  6. Step 6: Final answer
    x = 18,099.82

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1.5x scale

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.