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Finding the Fourth Proportional to 8,236.62, 12,354.87 and 3,302.73

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Solution

The fourth proportional to 8,236.62, 12,354.87 and 3,302.73 is: 4,954.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,236.62 : 12,354.87 = 3,302.73 : x
  2. Step 2: Convert to fraction form
    8,236.62/12,354.87 = 3,302.73/x
  3. Step 3: Cross multiply
    8,236.62x = 12,354.87 × 3,302.73
  4. Step 4: Simplify right side
    8,236.62x = 40,804,799.80
  5. Step 5: Solve for x
    x = 40,804,799.80/8,236.62
  6. Step 6: Final answer
    x = 4,954.07

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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.