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Finding the Fourth Proportional to 22,295.36, 30,768.37 and 12,223.82

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Solution

The fourth proportional to 22,295.36, 30,768.37 and 12,223.82 is: 16,869.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,295.36 : 30,768.37 = 12,223.82 : x
  2. Step 2: Convert to fraction form
    22,295.36/30,768.37 = 12,223.82/x
  3. Step 3: Cross multiply
    22,295.36x = 30,768.37 × 12,223.82
  4. Step 4: Simplify right side
    22,295.36x = 376,107,016.57
  5. Step 5: Solve for x
    x = 376,107,016.57/22,295.36
  6. Step 6: Final answer
    x = 16,869.30

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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.