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Finding the Fourth Proportional to 1,933.56, 2,668.37 and 1,049.42

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Solution

The fourth proportional to 1,933.56, 2,668.37 and 1,049.42 is: 1,448.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,933.56 : 2,668.37 = 1,049.42 : x
  2. Step 2: Convert to fraction form
    1,933.56/2,668.37 = 1,049.42/x
  3. Step 3: Cross multiply
    1,933.56x = 2,668.37 × 1,049.42
  4. Step 4: Simplify right side
    1,933.56x = 2,800,233.96
  5. Step 5: Solve for x
    x = 2,800,233.96/1,933.56
  6. Step 6: Final answer
    x = 1,448.23

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.