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Finding the Fourth Proportional to 6,644.57, 9,964.62 and 3,355.56

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Solution

The fourth proportional to 6,644.57, 9,964.62 and 3,355.56 is: 5,032.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,644.57 : 9,964.62 = 3,355.56 : x
  2. Step 2: Convert to fraction form
    6,644.57/9,964.62 = 3,355.56/x
  3. Step 3: Cross multiply
    6,644.57x = 9,964.62 × 3,355.56
  4. Step 4: Simplify right side
    6,644.57x = 33,436,880.29
  5. Step 5: Solve for x
    x = 33,436,880.29/6,644.57
  6. Step 6: Final answer
    x = 5,032.22

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1.5x scale

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.