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Finding the Fourth Proportional to 55,169.65, 82,689.67 and 25,524.87

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Solution

The fourth proportional to 55,169.65, 82,689.67 and 25,524.87 is: 38,257.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,169.65 : 82,689.67 = 25,524.87 : x
  2. Step 2: Convert to fraction form
    55,169.65/82,689.67 = 25,524.87/x
  3. Step 3: Cross multiply
    55,169.65x = 82,689.67 × 25,524.87
  4. Step 4: Simplify right side
    55,169.65x = 2,110,643,077.09
  5. Step 5: Solve for x
    x = 2,110,643,077.09/55,169.65
  6. Step 6: Final answer
    x = 38,257.32

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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.