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Finding the Fourth Proportional to 6,393.29, 9,571.90 and 3,384.51

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Solution

The fourth proportional to 6,393.29, 9,571.90 and 3,384.51 is: 5,067.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,393.29 : 9,571.90 = 3,384.51 : x
  2. Step 2: Convert to fraction form
    6,393.29/9,571.90 = 3,384.51/x
  3. Step 3: Cross multiply
    6,393.29x = 9,571.90 × 3,384.51
  4. Step 4: Simplify right side
    6,393.29x = 32,396,191.27
  5. Step 5: Solve for x
    x = 32,396,191.27/6,393.29
  6. Step 6: Final answer
    x = 5,067.22

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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.