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Finding the Fourth Proportional to 2,046.99, 3,069.19 and 949.94

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Solution

The fourth proportional to 2,046.99, 3,069.19 and 949.94 is: 1,424.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,046.99 : 3,069.19 = 949.94 : x
  2. Step 2: Convert to fraction form
    2,046.99/3,069.19 = 949.94/x
  3. Step 3: Cross multiply
    2,046.99x = 3,069.19 × 949.94
  4. Step 4: Simplify right side
    2,046.99x = 2,915,546.35
  5. Step 5: Solve for x
    x = 2,915,546.35/2,046.99
  6. Step 6: Final answer
    x = 1,424.31

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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.