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Finding the Fourth Proportional to 7,257.68, 10,876.92 and 2,636.24

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Solution

The fourth proportional to 7,257.68, 10,876.92 and 2,636.24 is: 3,950.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,257.68 : 10,876.92 = 2,636.24 : x
  2. Step 2: Convert to fraction form
    7,257.68/10,876.92 = 2,636.24/x
  3. Step 3: Cross multiply
    7,257.68x = 10,876.92 × 2,636.24
  4. Step 4: Simplify right side
    7,257.68x = 28,674,171.58
  5. Step 5: Solve for x
    x = 28,674,171.58/7,257.68
  6. Step 6: Final answer
    x = 3,950.87

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.