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Finding the Fourth Proportional to 8,014.80, 12,022.80 and 2,171.32

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Solution

The fourth proportional to 8,014.80, 12,022.80 and 2,171.32 is: 3,257.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,014.80 : 12,022.80 = 2,171.32 : x
  2. Step 2: Convert to fraction form
    8,014.80/12,022.80 = 2,171.32/x
  3. Step 3: Cross multiply
    8,014.80x = 12,022.80 × 2,171.32
  4. Step 4: Simplify right side
    8,014.80x = 26,105,346.10
  5. Step 5: Solve for x
    x = 26,105,346.10/8,014.80
  6. Step 6: Final answer
    x = 3,257.14

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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.