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Finding the Fourth Proportional to 6,163.81, 8,506.07 and 3,369.31

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Solution

The fourth proportional to 6,163.81, 8,506.07 and 3,369.31 is: 4,649.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,163.81 : 8,506.07 = 3,369.31 : x
  2. Step 2: Convert to fraction form
    6,163.81/8,506.07 = 3,369.31/x
  3. Step 3: Cross multiply
    6,163.81x = 8,506.07 × 3,369.31
  4. Step 4: Simplify right side
    6,163.81x = 28,659,586.71
  5. Step 5: Solve for x
    x = 28,659,586.71/6,163.81
  6. Step 6: Final answer
    x = 4,649.65

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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.