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Finding the Fourth Proportional to 6,628.34, 9,933.60 and 3,343.79

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Solution

The fourth proportional to 6,628.34, 9,933.60 and 3,343.79 is: 5,011.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,628.34 : 9,933.60 = 3,343.79 : x
  2. Step 2: Convert to fraction form
    6,628.34/9,933.60 = 3,343.79/x
  3. Step 3: Cross multiply
    6,628.34x = 9,933.60 × 3,343.79
  4. Step 4: Simplify right side
    6,628.34x = 33,215,872.34
  5. Step 5: Solve for x
    x = 33,215,872.34/6,628.34
  6. Step 6: Final answer
    x = 5,011.19

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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.