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Finding the Fourth Proportional to 5,322.27, 7,986.11 and 2,399.93

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Solution

The fourth proportional to 5,322.27, 7,986.11 and 2,399.93 is: 3,601.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,322.27 : 7,986.11 = 2,399.93 : x
  2. Step 2: Convert to fraction form
    5,322.27/7,986.11 = 2,399.93/x
  3. Step 3: Cross multiply
    5,322.27x = 7,986.11 × 2,399.93
  4. Step 4: Simplify right side
    5,322.27x = 19,166,104.97
  5. Step 5: Solve for x
    x = 19,166,104.97/5,322.27
  6. Step 6: Final answer
    x = 3,601.11

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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.