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Finding the Fourth Proportional to 2,792.99, 4,183.11 and 1,333.17

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Solution

The fourth proportional to 2,792.99, 4,183.11 and 1,333.17 is: 1,996.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,792.99 : 4,183.11 = 1,333.17 : x
  2. Step 2: Convert to fraction form
    2,792.99/4,183.11 = 1,333.17/x
  3. Step 3: Cross multiply
    2,792.99x = 4,183.11 × 1,333.17
  4. Step 4: Simplify right side
    2,792.99x = 5,576,796.76
  5. Step 5: Solve for x
    x = 5,576,796.76/2,792.99
  6. Step 6: Final answer
    x = 1,996.71

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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.