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Finding the Fourth Proportional to 26,843.52, 40,257.18 and 11,257.68

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Solution

The fourth proportional to 26,843.52, 40,257.18 and 11,257.68 is: 16,883.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,843.52 : 40,257.18 = 11,257.68 : x
  2. Step 2: Convert to fraction form
    26,843.52/40,257.18 = 11,257.68/x
  3. Step 3: Cross multiply
    26,843.52x = 40,257.18 × 11,257.68
  4. Step 4: Simplify right side
    26,843.52x = 453,202,450.14
  5. Step 5: Solve for x
    x = 453,202,450.14/26,843.52
  6. Step 6: Final answer
    x = 16,883.12

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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.