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Finding the Fourth Proportional to 6,163.75, 8,506.11 and 3,369.25

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Solution

The fourth proportional to 6,163.75, 8,506.11 and 3,369.25 is: 4,649.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,163.75 : 8,506.11 = 3,369.25 : x
  2. Step 2: Convert to fraction form
    6,163.75/8,506.11 = 3,369.25/x
  3. Step 3: Cross multiply
    6,163.75x = 8,506.11 × 3,369.25
  4. Step 4: Simplify right side
    6,163.75x = 28,659,211.12
  5. Step 5: Solve for x
    x = 28,659,211.12/6,163.75
  6. Step 6: Final answer
    x = 4,649.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.