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Finding the Fourth Proportional to 8,015.94, 12,025.31 and 3,863.43

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Solution

The fourth proportional to 8,015.94, 12,025.31 and 3,863.43 is: 5,795.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,015.94 : 12,025.31 = 3,863.43 : x
  2. Step 2: Convert to fraction form
    8,015.94/12,025.31 = 3,863.43/x
  3. Step 3: Cross multiply
    8,015.94x = 12,025.31 × 3,863.43
  4. Step 4: Simplify right side
    8,015.94x = 46,458,924.10
  5. Step 5: Solve for x
    x = 46,458,924.10/8,015.94
  6. Step 6: Final answer
    x = 5,795.82

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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.