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Finding the Fourth Proportional to 16,676.54, 23,022 and 12,891.18

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Solution

The fourth proportional to 16,676.54, 23,022 and 12,891.18 is: 17,796.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,676.54 : 23,022 = 12,891.18 : x
  2. Step 2: Convert to fraction form
    16,676.54/23,022 = 12,891.18/x
  3. Step 3: Cross multiply
    16,676.54x = 23,022 × 12,891.18
  4. Step 4: Simplify right side
    16,676.54x = 296,780,745.96
  5. Step 5: Solve for x
    x = 296,780,745.96/16,676.54
  6. Step 6: Final answer
    x = 17,796.30

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Why These Related Problems?

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