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Finding the Fourth Proportional to 6,644.89, 9,964.30 and 2,261.17

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Solution

The fourth proportional to 6,644.89, 9,964.30 and 2,261.17 is: 3,390.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,644.89 : 9,964.30 = 2,261.17 : x
  2. Step 2: Convert to fraction form
    6,644.89/9,964.30 = 2,261.17/x
  3. Step 3: Cross multiply
    6,644.89x = 9,964.30 × 2,261.17
  4. Step 4: Simplify right side
    6,644.89x = 22,530,987.27
  5. Step 5: Solve for x
    x = 22,530,987.27/6,644.89
  6. Step 6: Final answer
    x = 3,390.72

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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.