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Finding the Fourth Proportional to 16,976.97, 23,427.78 and 9,423.29

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Solution

The fourth proportional to 16,976.97, 23,427.78 and 9,423.29 is: 13,003.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,976.97 : 23,427.78 = 9,423.29 : x
  2. Step 2: Convert to fraction form
    16,976.97/23,427.78 = 9,423.29/x
  3. Step 3: Cross multiply
    16,976.97x = 23,427.78 × 9,423.29
  4. Step 4: Simplify right side
    16,976.97x = 220,766,647.86
  5. Step 5: Solve for x
    x = 220,766,647.86/16,976.97
  6. Step 6: Final answer
    x = 13,003.89

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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.