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Finding the Fourth Proportional to 6,913.52, 9,540.72 and 3,769.72

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Solution

The fourth proportional to 6,913.52, 9,540.72 and 3,769.72 is: 5,202.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,913.52 : 9,540.72 = 3,769.72 : x
  2. Step 2: Convert to fraction form
    6,913.52/9,540.72 = 3,769.72/x
  3. Step 3: Cross multiply
    6,913.52x = 9,540.72 × 3,769.72
  4. Step 4: Simplify right side
    6,913.52x = 35,965,843.00
  5. Step 5: Solve for x
    x = 35,965,843.00/6,913.52
  6. Step 6: Final answer
    x = 5,202.25

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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.