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Finding the Fourth Proportional to 18,882.24, 28,279.52 and 18,226.24

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Solution

The fourth proportional to 18,882.24, 28,279.52 and 18,226.24 is: 27,297.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,882.24 : 28,279.52 = 18,226.24 : x
  2. Step 2: Convert to fraction form
    18,882.24/28,279.52 = 18,226.24/x
  3. Step 3: Cross multiply
    18,882.24x = 28,279.52 × 18,226.24
  4. Step 4: Simplify right side
    18,882.24x = 515,429,318.60
  5. Step 5: Solve for x
    x = 515,429,318.60/18,882.24
  6. Step 6: Final answer
    x = 27,297.04

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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.