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Finding the Fourth Proportional to 6,768.89, 10,152.92 and 1,838.42

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Solution

The fourth proportional to 6,768.89, 10,152.92 and 1,838.42 is: 2,757.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,768.89 : 10,152.92 = 1,838.42 : x
  2. Step 2: Convert to fraction form
    6,768.89/10,152.92 = 1,838.42/x
  3. Step 3: Cross multiply
    6,768.89x = 10,152.92 × 1,838.42
  4. Step 4: Simplify right side
    6,768.89x = 18,665,331.19
  5. Step 5: Solve for x
    x = 18,665,331.19/6,768.89
  6. Step 6: Final answer
    x = 2,757.52

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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.