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Finding the Fourth Proportional to 8,443.22, 12,665.02 and 2,896.52

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Solution

The fourth proportional to 8,443.22, 12,665.02 and 2,896.52 is: 4,344.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,443.22 : 12,665.02 = 2,896.52 : x
  2. Step 2: Convert to fraction form
    8,443.22/12,665.02 = 2,896.52/x
  3. Step 3: Cross multiply
    8,443.22x = 12,665.02 × 2,896.52
  4. Step 4: Simplify right side
    8,443.22x = 36,684,483.73
  5. Step 5: Solve for x
    x = 36,684,483.73/8,443.22
  6. Step 6: Final answer
    x = 4,344.85

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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.