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Finding the Fourth Proportional to 8,826.39, 13,239.49 and 2,252.50

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Solution

The fourth proportional to 8,826.39, 13,239.49 and 2,252.50 is: 3,378.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,826.39 : 13,239.49 = 2,252.50 : x
  2. Step 2: Convert to fraction form
    8,826.39/13,239.49 = 2,252.50/x
  3. Step 3: Cross multiply
    8,826.39x = 13,239.49 × 2,252.50
  4. Step 4: Simplify right side
    8,826.39x = 29,821,951.23
  5. Step 5: Solve for x
    x = 29,821,951.23/8,826.39
  6. Step 6: Final answer
    x = 3,378.73

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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.