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Finding the Fourth Proportional to 5,553.69, 7,664.33 and 3,195.84

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Solution

The fourth proportional to 5,553.69, 7,664.33 and 3,195.84 is: 4,410.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,553.69 : 7,664.33 = 3,195.84 : x
  2. Step 2: Convert to fraction form
    5,553.69/7,664.33 = 3,195.84/x
  3. Step 3: Cross multiply
    5,553.69x = 7,664.33 × 3,195.84
  4. Step 4: Simplify right side
    5,553.69x = 24,493,956.41
  5. Step 5: Solve for x
    x = 24,493,956.41/5,553.69
  6. Step 6: Final answer
    x = 4,410.39

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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.