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Finding the Fourth Proportional to 6,408.93, 8,845.22 and 3,757.20

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Solution

The fourth proportional to 6,408.93, 8,845.22 and 3,757.20 is: 5,185.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,408.93 : 8,845.22 = 3,757.20 : x
  2. Step 2: Convert to fraction form
    6,408.93/8,845.22 = 3,757.20/x
  3. Step 3: Cross multiply
    6,408.93x = 8,845.22 × 3,757.20
  4. Step 4: Simplify right side
    6,408.93x = 33,233,241.80
  5. Step 5: Solve for x
    x = 33,233,241.80/6,408.93
  6. Step 6: Final answer
    x = 5,185.46

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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.