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Finding the Fourth Proportional to 16,843.31, 25,257.66 and 8,944.11

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Solution

The fourth proportional to 16,843.31, 25,257.66 and 8,944.11 is: 13,412.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,843.31 : 25,257.66 = 8,944.11 : x
  2. Step 2: Convert to fraction form
    16,843.31/25,257.66 = 8,944.11/x
  3. Step 3: Cross multiply
    16,843.31x = 25,257.66 × 8,944.11
  4. Step 4: Simplify right side
    16,843.31x = 225,907,289.38
  5. Step 5: Solve for x
    x = 225,907,289.38/16,843.31
  6. Step 6: Final answer
    x = 13,412.29

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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.