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Finding the Fourth Proportional to 6,249.96, 8,627.72 and 3,893.67

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Solution

The fourth proportional to 6,249.96, 8,627.72 and 3,893.67 is: 5,374.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,249.96 : 8,627.72 = 3,893.67 : x
  2. Step 2: Convert to fraction form
    6,249.96/8,627.72 = 3,893.67/x
  3. Step 3: Cross multiply
    6,249.96x = 8,627.72 × 3,893.67
  4. Step 4: Simplify right side
    6,249.96x = 33,593,494.53
  5. Step 5: Solve for x
    x = 33,593,494.53/6,249.96
  6. Step 6: Final answer
    x = 5,374.99

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Similar ratio
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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.