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Finding the Fourth Proportional to 34,874.47, 52,311.22 and 8,579.44

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Solution

The fourth proportional to 34,874.47, 52,311.22 and 8,579.44 is: 12,869.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,874.47 : 52,311.22 = 8,579.44 : x
  2. Step 2: Convert to fraction form
    34,874.47/52,311.22 = 8,579.44/x
  3. Step 3: Cross multiply
    34,874.47x = 52,311.22 × 8,579.44
  4. Step 4: Simplify right side
    34,874.47x = 448,800,973.32
  5. Step 5: Solve for x
    x = 448,800,973.32/34,874.47
  6. Step 6: Final answer
    x = 12,869.04

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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.