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Finding the Fourth Proportional to 27,375.52, 41,055.16 and 11,789.52

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Solution

The fourth proportional to 27,375.52, 41,055.16 and 11,789.52 is: 17,680.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,375.52 : 41,055.16 = 11,789.52 : x
  2. Step 2: Convert to fraction form
    27,375.52/41,055.16 = 11,789.52/x
  3. Step 3: Cross multiply
    27,375.52x = 41,055.16 × 11,789.52
  4. Step 4: Simplify right side
    27,375.52x = 484,020,629.92
  5. Step 5: Solve for x
    x = 484,020,629.92/27,375.52
  6. Step 6: Final answer
    x = 17,680.78

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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.