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Finding the Fourth Proportional to 18,170.26, 27,255.38 and 4,843.26

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Solution

The fourth proportional to 18,170.26, 27,255.38 and 4,843.26 is: 7,264.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,170.26 : 27,255.38 = 4,843.26 : x
  2. Step 2: Convert to fraction form
    18,170.26/27,255.38 = 4,843.26/x
  3. Step 3: Cross multiply
    18,170.26x = 27,255.38 × 4,843.26
  4. Step 4: Simplify right side
    18,170.26x = 132,004,891.74
  5. Step 5: Solve for x
    x = 132,004,891.74/18,170.26
  6. Step 6: Final answer
    x = 7,264.89

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Similar ratio
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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.