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Finding the Fourth Proportional to 26,736, 40,104 and 8,268

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Solution

The fourth proportional to 26,736, 40,104 and 8,268 is: 12,402

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,736 : 40,104 = 8,268 : x
  2. Step 2: Convert to fraction form
    26,736/40,104 = 8,268/x
  3. Step 3: Cross multiply
    26,736x = 40,104 × 8,268
  4. Step 4: Simplify right side
    26,736x = 331,579,872
  5. Step 5: Solve for x
    x = 331,579,872/26,736
  6. Step 6: Final answer
    x = 12,402

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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.