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Finding the Fourth Proportional to 5,961.99, 8,942.99 and 2,066.40

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Solution

The fourth proportional to 5,961.99, 8,942.99 and 2,066.40 is: 3,099.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,961.99 : 8,942.99 = 2,066.40 : x
  2. Step 2: Convert to fraction form
    5,961.99/8,942.99 = 2,066.40/x
  3. Step 3: Cross multiply
    5,961.99x = 8,942.99 × 2,066.40
  4. Step 4: Simplify right side
    5,961.99x = 18,479,794.54
  5. Step 5: Solve for x
    x = 18,479,794.54/5,961.99
  6. Step 6: Final answer
    x = 3,099.60

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Similar ratio
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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.