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Finding the Fourth Proportional to 6,168, 8,511.84 and 3,373.56

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Solution

The fourth proportional to 6,168, 8,511.84 and 3,373.56 is: 4,655.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,168 : 8,511.84 = 3,373.56 : x
  2. Step 2: Convert to fraction form
    6,168/8,511.84 = 3,373.56/x
  3. Step 3: Cross multiply
    6,168x = 8,511.84 × 3,373.56
  4. Step 4: Simplify right side
    6,168x = 28,715,202.95
  5. Step 5: Solve for x
    x = 28,715,202.95/6,168
  6. Step 6: Final answer
    x = 4,655.51

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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.