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Finding the Fourth Proportional to 4,940.71, 7,411.03 and 2,016.97

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Solution

The fourth proportional to 4,940.71, 7,411.03 and 2,016.97 is: 3,025.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,940.71 : 7,411.03 = 2,016.97 : x
  2. Step 2: Convert to fraction form
    4,940.71/7,411.03 = 2,016.97/x
  3. Step 3: Cross multiply
    4,940.71x = 7,411.03 × 2,016.97
  4. Step 4: Simplify right side
    4,940.71x = 14,947,788.12
  5. Step 5: Solve for x
    x = 14,947,788.12/4,940.71
  6. Step 6: Final answer
    x = 3,025.43

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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.