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Finding the Fourth Proportional to 12,582.52, 17,367.96 and 8,114.56

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Solution

The fourth proportional to 12,582.52, 17,367.96 and 8,114.56 is: 11,200.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,582.52 : 17,367.96 = 8,114.56 : x
  2. Step 2: Convert to fraction form
    12,582.52/17,367.96 = 8,114.56/x
  3. Step 3: Cross multiply
    12,582.52x = 17,367.96 × 8,114.56
  4. Step 4: Simplify right side
    12,582.52x = 140,933,353.50
  5. Step 5: Solve for x
    x = 140,933,353.50/12,582.52
  6. Step 6: Final answer
    x = 11,200.73

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.