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Finding the Fourth Proportional to 16,786.86, 25,163.48 and 8,027.93

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Solution

The fourth proportional to 16,786.86, 25,163.48 and 8,027.93 is: 12,033.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,786.86 : 25,163.48 = 8,027.93 : x
  2. Step 2: Convert to fraction form
    16,786.86/25,163.48 = 8,027.93/x
  3. Step 3: Cross multiply
    16,786.86x = 25,163.48 × 8,027.93
  4. Step 4: Simplify right side
    16,786.86x = 202,010,490.04
  5. Step 5: Solve for x
    x = 202,010,490.04/16,786.86
  6. Step 6: Final answer
    x = 12,033.85

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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.