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Finding the Fourth Proportional to 6,609.44, 9,923.88 and 2,721.44

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Solution

The fourth proportional to 6,609.44, 9,923.88 and 2,721.44 is: 4,086.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,609.44 : 9,923.88 = 2,721.44 : x
  2. Step 2: Convert to fraction form
    6,609.44/9,923.88 = 2,721.44/x
  3. Step 3: Cross multiply
    6,609.44x = 9,923.88 × 2,721.44
  4. Step 4: Simplify right side
    6,609.44x = 27,007,243.99
  5. Step 5: Solve for x
    x = 27,007,243.99/6,609.44
  6. Step 6: Final answer
    x = 4,086.16

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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.