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Finding the Fourth Proportional to 26,916, 40,374.36 and 8,448

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Solution

The fourth proportional to 26,916, 40,374.36 and 8,448 is: 12,672.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,916 : 40,374.36 = 8,448 : x
  2. Step 2: Convert to fraction form
    26,916/40,374.36 = 8,448/x
  3. Step 3: Cross multiply
    26,916x = 40,374.36 × 8,448
  4. Step 4: Simplify right side
    26,916x = 341,082,593.28
  5. Step 5: Solve for x
    x = 341,082,593.28/26,916
  6. Step 6: Final answer
    x = 12,672.11

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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.