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Finding the Fourth Proportional to 6,918.08, 10,367.04 and 3,450.56

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Solution

The fourth proportional to 6,918.08, 10,367.04 and 3,450.56 is: 5,170.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,918.08 : 10,367.04 = 3,450.56 : x
  2. Step 2: Convert to fraction form
    6,918.08/10,367.04 = 3,450.56/x
  3. Step 3: Cross multiply
    6,918.08x = 10,367.04 × 3,450.56
  4. Step 4: Simplify right side
    6,918.08x = 35,772,093.54
  5. Step 5: Solve for x
    x = 35,772,093.54/6,918.08
  6. Step 6: Final answer
    x = 5,170.81

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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.