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Finding the Fourth Proportional to 18,297.44, 27,446.56 and 5,817.44

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Solution

The fourth proportional to 18,297.44, 27,446.56 and 5,817.44 is: 8,726.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,297.44 : 27,446.56 = 5,817.44 : x
  2. Step 2: Convert to fraction form
    18,297.44/27,446.56 = 5,817.44/x
  3. Step 3: Cross multiply
    18,297.44x = 27,446.56 × 5,817.44
  4. Step 4: Simplify right side
    18,297.44x = 159,668,716.01
  5. Step 5: Solve for x
    x = 159,668,716.01/18,297.44
  6. Step 6: Final answer
    x = 8,726.29

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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.