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Finding the Fourth Proportional to 23,243.26, 34,872.78 and 8,453.36

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Solution

The fourth proportional to 23,243.26, 34,872.78 and 8,453.36 is: 12,682.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,243.26 : 34,872.78 = 8,453.36 : x
  2. Step 2: Convert to fraction form
    23,243.26/34,872.78 = 8,453.36/x
  3. Step 3: Cross multiply
    23,243.26x = 34,872.78 × 8,453.36
  4. Step 4: Simplify right side
    23,243.26x = 294,792,163.54
  5. Step 5: Solve for x
    x = 294,792,163.54/23,243.26
  6. Step 6: Final answer
    x = 12,682.91

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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.