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Finding the Fourth Proportional to 3,966.54, 5,943.69 and 3,040.71

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Solution

The fourth proportional to 3,966.54, 5,943.69 and 3,040.71 is: 4,556.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,966.54 : 5,943.69 = 3,040.71 : x
  2. Step 2: Convert to fraction form
    3,966.54/5,943.69 = 3,040.71/x
  3. Step 3: Cross multiply
    3,966.54x = 5,943.69 × 3,040.71
  4. Step 4: Simplify right side
    3,966.54x = 18,073,037.62
  5. Step 5: Solve for x
    x = 18,073,037.62/3,966.54
  6. Step 6: Final answer
    x = 4,556.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.