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Finding the Fourth Proportional to 27,963.70, 41,936.66 and 9,240.24

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Solution

The fourth proportional to 27,963.70, 41,936.66 and 9,240.24 is: 13,857.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,963.70 : 41,936.66 = 9,240.24 : x
  2. Step 2: Convert to fraction form
    27,963.70/41,936.66 = 9,240.24/x
  3. Step 3: Cross multiply
    27,963.70x = 41,936.66 × 9,240.24
  4. Step 4: Simplify right side
    27,963.70x = 387,504,757.00
  5. Step 5: Solve for x
    x = 387,504,757.00/27,963.70
  6. Step 6: Final answer
    x = 13,857.42

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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.