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Finding the Fourth Proportional to 3,999.00, 5,519.61 and 2,724.99

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Solution

The fourth proportional to 3,999.00, 5,519.61 and 2,724.99 is: 3,761.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,999.00 : 5,519.61 = 2,724.99 : x
  2. Step 2: Convert to fraction form
    3,999.00/5,519.61 = 2,724.99/x
  3. Step 3: Cross multiply
    3,999.00x = 5,519.61 × 2,724.99
  4. Step 4: Simplify right side
    3,999.00x = 15,040,861.36
  5. Step 5: Solve for x
    x = 15,040,861.36/3,999.00
  6. Step 6: Final answer
    x = 3,761.15

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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.