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Finding the Fourth Proportional to 6,644.32, 9,964.24 and 3,355.32

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Solution

The fourth proportional to 6,644.32, 9,964.24 and 3,355.32 is: 5,031.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,644.32 : 9,964.24 = 3,355.32 : x
  2. Step 2: Convert to fraction form
    6,644.32/9,964.24 = 3,355.32/x
  3. Step 3: Cross multiply
    6,644.32x = 9,964.24 × 3,355.32
  4. Step 4: Simplify right side
    6,644.32x = 33,433,213.76
  5. Step 5: Solve for x
    x = 33,433,213.76/6,644.32
  6. Step 6: Final answer
    x = 5,031.85

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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.