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Finding the Fourth Proportional to 1,896.80, 2,846.97 and 1,167.80

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Solution

The fourth proportional to 1,896.80, 2,846.97 and 1,167.80 is: 1,752.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,896.80 : 2,846.97 = 1,167.80 : x
  2. Step 2: Convert to fraction form
    1,896.80/2,846.97 = 1,167.80/x
  3. Step 3: Cross multiply
    1,896.80x = 2,846.97 × 1,167.80
  4. Step 4: Simplify right side
    1,896.80x = 3,324,677.33
  5. Step 5: Solve for x
    x = 3,324,677.33/1,896.80
  6. Step 6: Final answer
    x = 1,752.79

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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.