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Finding the Fourth Proportional to 7,791.23, 10,751.48 and 4,253.75

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Solution

The fourth proportional to 7,791.23, 10,751.48 and 4,253.75 is: 5,869.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,791.23 : 10,751.48 = 4,253.75 : x
  2. Step 2: Convert to fraction form
    7,791.23/10,751.48 = 4,253.75/x
  3. Step 3: Cross multiply
    7,791.23x = 10,751.48 × 4,253.75
  4. Step 4: Simplify right side
    7,791.23x = 45,734,033.02
  5. Step 5: Solve for x
    x = 45,734,033.02/7,791.23
  6. Step 6: Final answer
    x = 5,869.94

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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.