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Finding the Fourth Proportional to 22,679.67, 31,299.01 and 12,608.27

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Solution

The fourth proportional to 22,679.67, 31,299.01 and 12,608.27 is: 17,400.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,679.67 : 31,299.01 = 12,608.27 : x
  2. Step 2: Convert to fraction form
    22,679.67/31,299.01 = 12,608.27/x
  3. Step 3: Cross multiply
    22,679.67x = 31,299.01 × 12,608.27
  4. Step 4: Simplify right side
    22,679.67x = 394,626,490.73
  5. Step 5: Solve for x
    x = 394,626,490.73/22,679.67
  6. Step 6: Final answer
    x = 17,400.01

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.