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Finding the Fourth Proportional to 27,380.71, 41,076.61 and 11,585.71

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Solution

The fourth proportional to 27,380.71, 41,076.61 and 11,585.71 is: 17,380.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,380.71 : 41,076.61 = 11,585.71 : x
  2. Step 2: Convert to fraction form
    27,380.71/41,076.61 = 11,585.71/x
  3. Step 3: Cross multiply
    27,380.71x = 41,076.61 × 11,585.71
  4. Step 4: Simplify right side
    27,380.71x = 475,901,713.62
  5. Step 5: Solve for x
    x = 475,901,713.62/27,380.71
  6. Step 6: Final answer
    x = 17,380.91

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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.