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Finding the Fourth Proportional to 6,372.91, 8,794.30 and 3,540.46

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Solution

The fourth proportional to 6,372.91, 8,794.30 and 3,540.46 is: 4,885.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,372.91 : 8,794.30 = 3,540.46 : x
  2. Step 2: Convert to fraction form
    6,372.91/8,794.30 = 3,540.46/x
  3. Step 3: Cross multiply
    6,372.91x = 8,794.30 × 3,540.46
  4. Step 4: Simplify right side
    6,372.91x = 31,135,849.68
  5. Step 5: Solve for x
    x = 31,135,849.68/6,372.91
  6. Step 6: Final answer
    x = 4,885.66

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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.