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Finding the Fourth Proportional to 6,632.26, 9,947.26 and 2,188.56

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Solution

The fourth proportional to 6,632.26, 9,947.26 and 2,188.56 is: 3,282.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,632.26 : 9,947.26 = 2,188.56 : x
  2. Step 2: Convert to fraction form
    6,632.26/9,947.26 = 2,188.56/x
  3. Step 3: Cross multiply
    6,632.26x = 9,947.26 × 2,188.56
  4. Step 4: Simplify right side
    6,632.26x = 21,770,175.35
  5. Step 5: Solve for x
    x = 21,770,175.35/6,632.26
  6. Step 6: Final answer
    x = 3,282.47

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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.