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Finding the Fourth Proportional to 4,442.92, 6,660.78 and 1,847.80

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Solution

The fourth proportional to 4,442.92, 6,660.78 and 1,847.80 is: 2,770.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,442.92 : 6,660.78 = 1,847.80 : x
  2. Step 2: Convert to fraction form
    4,442.92/6,660.78 = 1,847.80/x
  3. Step 3: Cross multiply
    4,442.92x = 6,660.78 × 1,847.80
  4. Step 4: Simplify right side
    4,442.92x = 12,307,789.28
  5. Step 5: Solve for x
    x = 12,307,789.28/4,442.92
  6. Step 6: Final answer
    x = 2,770.20

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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.