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Finding the Fourth Proportional to 36,659, 50,589.42 and 19,892

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Solution

The fourth proportional to 36,659, 50,589.42 and 19,892 is: 27,450.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,659 : 50,589.42 = 19,892 : x
  2. Step 2: Convert to fraction form
    36,659/50,589.42 = 19,892/x
  3. Step 3: Cross multiply
    36,659x = 50,589.42 × 19,892
  4. Step 4: Simplify right side
    36,659x = 1,006,324,742.64
  5. Step 5: Solve for x
    x = 1,006,324,742.64/36,659
  6. Step 6: Final answer
    x = 27,450.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.