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Finding the Fourth Proportional to 6,163.68, 8,506 and 3,369.28

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Solution

The fourth proportional to 6,163.68, 8,506 and 3,369.28 is: 4,649.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,163.68 : 8,506 = 3,369.28 : x
  2. Step 2: Convert to fraction form
    6,163.68/8,506 = 3,369.28/x
  3. Step 3: Cross multiply
    6,163.68x = 8,506 × 3,369.28
  4. Step 4: Simplify right side
    6,163.68x = 28,659,095.68
  5. Step 5: Solve for x
    x = 28,659,095.68/6,163.68
  6. Step 6: Final answer
    x = 4,649.67

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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.