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Finding the Fourth Proportional to 18,379.88, 27,568.17 and 5,896.51

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Solution

The fourth proportional to 18,379.88, 27,568.17 and 5,896.51 is: 8,844.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,379.88 : 27,568.17 = 5,896.51 : x
  2. Step 2: Convert to fraction form
    18,379.88/27,568.17 = 5,896.51/x
  3. Step 3: Cross multiply
    18,379.88x = 27,568.17 × 5,896.51
  4. Step 4: Simplify right side
    18,379.88x = 162,555,990.09
  5. Step 5: Solve for x
    x = 162,555,990.09/18,379.88
  6. Step 6: Final answer
    x = 8,844.24

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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.