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Finding the Fourth Proportional to 8,826.91, 13,239.92 and 2,252.88

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Solution

The fourth proportional to 8,826.91, 13,239.92 and 2,252.88 is: 3,379.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,826.91 : 13,239.92 = 2,252.88 : x
  2. Step 2: Convert to fraction form
    8,826.91/13,239.92 = 2,252.88/x
  3. Step 3: Cross multiply
    8,826.91x = 13,239.92 × 2,252.88
  4. Step 4: Simplify right side
    8,826.91x = 29,827,956.60
  5. Step 5: Solve for x
    x = 29,827,956.60/8,826.91
  6. Step 6: Final answer
    x = 3,379.21

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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.