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Finding the Fourth Proportional to 5,393.97, 8,091.88 and 2,472.53

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Solution

The fourth proportional to 5,393.97, 8,091.88 and 2,472.53 is: 3,709.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,393.97 : 8,091.88 = 2,472.53 : x
  2. Step 2: Convert to fraction form
    5,393.97/8,091.88 = 2,472.53/x
  3. Step 3: Cross multiply
    5,393.97x = 8,091.88 × 2,472.53
  4. Step 4: Simplify right side
    5,393.97x = 20,007,369.42
  5. Step 5: Solve for x
    x = 20,007,369.42/5,393.97
  6. Step 6: Final answer
    x = 3,709.21

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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.