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Finding the Fourth Proportional to 6,638.33, 9,961.14 and 5,593.43

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Solution

The fourth proportional to 6,638.33, 9,961.14 and 5,593.43 is: 8,393.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,638.33 : 9,961.14 = 5,593.43 : x
  2. Step 2: Convert to fraction form
    6,638.33/9,961.14 = 5,593.43/x
  3. Step 3: Cross multiply
    6,638.33x = 9,961.14 × 5,593.43
  4. Step 4: Simplify right side
    6,638.33x = 55,716,939.31
  5. Step 5: Solve for x
    x = 55,716,939.31/6,638.33
  6. Step 6: Final answer
    x = 8,393.22

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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.