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Finding the Fourth Proportional to 6,906.77, 10,361.22 and 2,747.22

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Solution

The fourth proportional to 6,906.77, 10,361.22 and 2,747.22 is: 4,121.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,906.77 : 10,361.22 = 2,747.22 : x
  2. Step 2: Convert to fraction form
    6,906.77/10,361.22 = 2,747.22/x
  3. Step 3: Cross multiply
    6,906.77x = 10,361.22 × 2,747.22
  4. Step 4: Simplify right side
    6,906.77x = 28,464,501.65
  5. Step 5: Solve for x
    x = 28,464,501.65/6,906.77
  6. Step 6: Final answer
    x = 4,121.25

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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.