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Finding the Fourth Proportional to 6,789.18, 9,369.72 and 3,805.52

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Solution

The fourth proportional to 6,789.18, 9,369.72 and 3,805.52 is: 5,251.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,789.18 : 9,369.72 = 3,805.52 : x
  2. Step 2: Convert to fraction form
    6,789.18/9,369.72 = 3,805.52/x
  3. Step 3: Cross multiply
    6,789.18x = 9,369.72 × 3,805.52
  4. Step 4: Simplify right side
    6,789.18x = 35,656,610.01
  5. Step 5: Solve for x
    x = 35,656,610.01/6,789.18
  6. Step 6: Final answer
    x = 5,251.98

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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.