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Finding the Fourth Proportional to 6,913.30, 9,540.33 and 3,769.49

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Solution

The fourth proportional to 6,913.30, 9,540.33 and 3,769.49 is: 5,201.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,913.30 : 9,540.33 = 3,769.49 : x
  2. Step 2: Convert to fraction form
    6,913.30/9,540.33 = 3,769.49/x
  3. Step 3: Cross multiply
    6,913.30x = 9,540.33 × 3,769.49
  4. Step 4: Simplify right side
    6,913.30x = 35,962,130.83
  5. Step 5: Solve for x
    x = 35,962,130.83/6,913.30
  6. Step 6: Final answer
    x = 5,201.88

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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.