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Finding the Fourth Proportional to 8,252.26, 12,378.38 and 3,866.51

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Solution

The fourth proportional to 8,252.26, 12,378.38 and 3,866.51 is: 5,799.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,252.26 : 12,378.38 = 3,866.51 : x
  2. Step 2: Convert to fraction form
    8,252.26/12,378.38 = 3,866.51/x
  3. Step 3: Cross multiply
    8,252.26x = 12,378.38 × 3,866.51
  4. Step 4: Simplify right side
    8,252.26x = 47,861,130.05
  5. Step 5: Solve for x
    x = 47,861,130.05/8,252.26
  6. Step 6: Final answer
    x = 5,799.76

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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.