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Finding the Fourth Proportional to 5,367.92, 8,040.80 and 3,982.82

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Solution

The fourth proportional to 5,367.92, 8,040.80 and 3,982.82 is: 5,966.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,367.92 : 8,040.80 = 3,982.82 : x
  2. Step 2: Convert to fraction form
    5,367.92/8,040.80 = 3,982.82/x
  3. Step 3: Cross multiply
    5,367.92x = 8,040.80 × 3,982.82
  4. Step 4: Simplify right side
    5,367.92x = 32,025,059.06
  5. Step 5: Solve for x
    x = 32,025,059.06/5,367.92
  6. Step 6: Final answer
    x = 5,966.01

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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.