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Finding the Fourth Proportional to 22,899.87, 34,339.82 and 8,103.87

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Solution

The fourth proportional to 22,899.87, 34,339.82 and 8,103.87 is: 12,152.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,899.87 : 34,339.82 = 8,103.87 : x
  2. Step 2: Convert to fraction form
    22,899.87/34,339.82 = 8,103.87/x
  3. Step 3: Cross multiply
    22,899.87x = 34,339.82 × 8,103.87
  4. Step 4: Simplify right side
    22,899.87x = 278,285,396.58
  5. Step 5: Solve for x
    x = 278,285,396.58/22,899.87
  6. Step 6: Final answer
    x = 12,152.27

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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.