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Finding the Fourth Proportional to 4,392.86, 6,591.98 and 3,982.73

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Solution

The fourth proportional to 4,392.86, 6,591.98 and 3,982.73 is: 5,976.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,392.86 : 6,591.98 = 3,982.73 : x
  2. Step 2: Convert to fraction form
    4,392.86/6,591.98 = 3,982.73/x
  3. Step 3: Cross multiply
    4,392.86x = 6,591.98 × 3,982.73
  4. Step 4: Simplify right side
    4,392.86x = 26,254,053.50
  5. Step 5: Solve for x
    x = 26,254,053.50/4,392.86
  6. Step 6: Final answer
    x = 5,976.54

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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.