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Finding the Fourth Proportional to 6,149.99, 9,220.64 and 3,377.97

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Solution

The fourth proportional to 6,149.99, 9,220.64 and 3,377.97 is: 5,064.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,149.99 : 9,220.64 = 3,377.97 : x
  2. Step 2: Convert to fraction form
    6,149.99/9,220.64 = 3,377.97/x
  3. Step 3: Cross multiply
    6,149.99x = 9,220.64 × 3,377.97
  4. Step 4: Simplify right side
    6,149.99x = 31,147,028.41
  5. Step 5: Solve for x
    x = 31,147,028.41/6,149.99
  6. Step 6: Final answer
    x = 5,064.56

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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.