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Finding the Fourth Proportional to 8,205.75, 12,309.50 and 2,282.62

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Solution

The fourth proportional to 8,205.75, 12,309.50 and 2,282.62 is: 3,424.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,205.75 : 12,309.50 = 2,282.62 : x
  2. Step 2: Convert to fraction form
    8,205.75/12,309.50 = 2,282.62/x
  3. Step 3: Cross multiply
    8,205.75x = 12,309.50 × 2,282.62
  4. Step 4: Simplify right side
    8,205.75x = 28,097,910.89
  5. Step 5: Solve for x
    x = 28,097,910.89/8,205.75
  6. Step 6: Final answer
    x = 3,424.17

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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.