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Finding the Fourth Proportional to 8,195.22, 12,301.95 and 4,245.42

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Solution

The fourth proportional to 8,195.22, 12,301.95 and 4,245.42 is: 6,372.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,195.22 : 12,301.95 = 4,245.42 : x
  2. Step 2: Convert to fraction form
    8,195.22/12,301.95 = 4,245.42/x
  3. Step 3: Cross multiply
    8,195.22x = 12,301.95 × 4,245.42
  4. Step 4: Simplify right side
    8,195.22x = 52,226,944.57
  5. Step 5: Solve for x
    x = 52,226,944.57/8,195.22
  6. Step 6: Final answer
    x = 6,372.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.