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Finding the Fourth Proportional to 1,454.94, 2,007.83 and 791.79

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Solution

The fourth proportional to 1,454.94, 2,007.83 and 791.79 is: 1,092.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454.94 : 2,007.83 = 791.79 : x
  2. Step 2: Convert to fraction form
    1,454.94/2,007.83 = 791.79/x
  3. Step 3: Cross multiply
    1,454.94x = 2,007.83 × 791.79
  4. Step 4: Simplify right side
    1,454.94x = 1,589,771.42
  5. Step 5: Solve for x
    x = 1,589,771.42/1,454.94
  6. Step 6: Final answer
    x = 1,092.67

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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.