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Finding the Fourth Proportional to 6,408.68, 8,844.87 and 3,756.95

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Solution

The fourth proportional to 6,408.68, 8,844.87 and 3,756.95 is: 5,185.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,408.68 : 8,844.87 = 3,756.95 : x
  2. Step 2: Convert to fraction form
    6,408.68/8,844.87 = 3,756.95/x
  3. Step 3: Cross multiply
    6,408.68x = 8,844.87 × 3,756.95
  4. Step 4: Simplify right side
    6,408.68x = 33,229,734.35
  5. Step 5: Solve for x
    x = 33,229,734.35/6,408.68
  6. Step 6: Final answer
    x = 5,185.11

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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.