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Finding the Fourth Proportional to 1,536.36, 2,305.02 and 1,171.56

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Solution

The fourth proportional to 1,536.36, 2,305.02 and 1,171.56 is: 1,757.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536.36 : 2,305.02 = 1,171.56 : x
  2. Step 2: Convert to fraction form
    1,536.36/2,305.02 = 1,171.56/x
  3. Step 3: Cross multiply
    1,536.36x = 2,305.02 × 1,171.56
  4. Step 4: Simplify right side
    1,536.36x = 2,700,469.23
  5. Step 5: Solve for x
    x = 2,700,469.23/1,536.36
  6. Step 6: Final answer
    x = 1,757.71

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.