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Finding the Fourth Proportional to 2,700.99, 3,727.34 and 1,505.96

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Solution

The fourth proportional to 2,700.99, 3,727.34 and 1,505.96 is: 2,078.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,700.99 : 3,727.34 = 1,505.96 : x
  2. Step 2: Convert to fraction form
    2,700.99/3,727.34 = 1,505.96/x
  3. Step 3: Cross multiply
    2,700.99x = 3,727.34 × 1,505.96
  4. Step 4: Simplify right side
    2,700.99x = 5,613,198.78
  5. Step 5: Solve for x
    x = 5,613,198.78/2,700.99
  6. Step 6: Final answer
    x = 2,078.20

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.