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Finding the Fourth Proportional to 16,826.88, 25,251.84 and 8,067.84

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Solution

The fourth proportional to 16,826.88, 25,251.84 and 8,067.84 is: 12,107.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,826.88 : 25,251.84 = 8,067.84 : x
  2. Step 2: Convert to fraction form
    16,826.88/25,251.84 = 8,067.84/x
  3. Step 3: Cross multiply
    16,826.88x = 25,251.84 × 8,067.84
  4. Step 4: Simplify right side
    16,826.88x = 203,727,804.83
  5. Step 5: Solve for x
    x = 203,727,804.83/16,826.88
  6. Step 6: Final answer
    x = 12,107.28

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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.