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Finding the Fourth Proportional to 18,234.41, 27,351.63 and 5,755.41

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Solution

The fourth proportional to 18,234.41, 27,351.63 and 5,755.41 is: 8,633.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,234.41 : 27,351.63 = 5,755.41 : x
  2. Step 2: Convert to fraction form
    18,234.41/27,351.63 = 5,755.41/x
  3. Step 3: Cross multiply
    18,234.41x = 27,351.63 × 5,755.41
  4. Step 4: Simplify right side
    18,234.41x = 157,419,816.04
  5. Step 5: Solve for x
    x = 157,419,816.04/18,234.41
  6. Step 6: Final answer
    x = 8,633.12

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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.