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Finding the Fourth Proportional to 6,351.96, 8,769.78 and 4,361.88

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Solution

The fourth proportional to 6,351.96, 8,769.78 and 4,361.88 is: 6,022.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,351.96 : 8,769.78 = 4,361.88 : x
  2. Step 2: Convert to fraction form
    6,351.96/8,769.78 = 4,361.88/x
  3. Step 3: Cross multiply
    6,351.96x = 8,769.78 × 4,361.88
  4. Step 4: Simplify right side
    6,351.96x = 38,252,727.99
  5. Step 5: Solve for x
    x = 38,252,727.99/6,351.96
  6. Step 6: Final answer
    x = 6,022.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.