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Finding the Fourth Proportional to 6,891.78, 10,324.12 and 4,544.62

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Solution

The fourth proportional to 6,891.78, 10,324.12 and 4,544.62 is: 6,807.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,891.78 : 10,324.12 = 4,544.62 : x
  2. Step 2: Convert to fraction form
    6,891.78/10,324.12 = 4,544.62/x
  3. Step 3: Cross multiply
    6,891.78x = 10,324.12 × 4,544.62
  4. Step 4: Simplify right side
    6,891.78x = 46,919,202.23
  5. Step 5: Solve for x
    x = 46,919,202.23/6,891.78
  6. Step 6: Final answer
    x = 6,807.99

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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.