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Finding the Fourth Proportional to 8,333.54, 12,491.13 and 3,944.42

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Solution

The fourth proportional to 8,333.54, 12,491.13 and 3,944.42 is: 5,912.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,333.54 : 12,491.13 = 3,944.42 : x
  2. Step 2: Convert to fraction form
    8,333.54/12,491.13 = 3,944.42/x
  3. Step 3: Cross multiply
    8,333.54x = 12,491.13 × 3,944.42
  4. Step 4: Simplify right side
    8,333.54x = 49,270,262.99
  5. Step 5: Solve for x
    x = 49,270,262.99/8,333.54
  6. Step 6: Final answer
    x = 5,912.28

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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.