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Finding the Fourth Proportional to 18,272.70, 27,426.24 and 17,273.97

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Solution

The fourth proportional to 18,272.70, 27,426.24 and 17,273.97 is: 25,927.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,272.70 : 27,426.24 = 17,273.97 : x
  2. Step 2: Convert to fraction form
    18,272.70/27,426.24 = 17,273.97/x
  3. Step 3: Cross multiply
    18,272.70x = 27,426.24 × 17,273.97
  4. Step 4: Simplify right side
    18,272.70x = 473,760,046.97
  5. Step 5: Solve for x
    x = 473,760,046.97/18,272.70
  6. Step 6: Final answer
    x = 25,927.21

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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.