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Finding the Fourth Proportional to 3,998.52, 6,001.62 and 1,947.96

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Solution

The fourth proportional to 3,998.52, 6,001.62 and 1,947.96 is: 2,923.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,998.52 : 6,001.62 = 1,947.96 : x
  2. Step 2: Convert to fraction form
    3,998.52/6,001.62 = 1,947.96/x
  3. Step 3: Cross multiply
    3,998.52x = 6,001.62 × 1,947.96
  4. Step 4: Simplify right side
    3,998.52x = 11,690,915.70
  5. Step 5: Solve for x
    x = 11,690,915.70/3,998.52
  6. Step 6: Final answer
    x = 2,923.81

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1.5x scale

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.