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Finding the Fourth Proportional to 3,936.27, 5,904.95 and 1,744.95

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Solution

The fourth proportional to 3,936.27, 5,904.95 and 1,744.95 is: 2,617.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936.27 : 5,904.95 = 1,744.95 : x
  2. Step 2: Convert to fraction form
    3,936.27/5,904.95 = 1,744.95/x
  3. Step 3: Cross multiply
    3,936.27x = 5,904.95 × 1,744.95
  4. Step 4: Simplify right side
    3,936.27x = 10,303,833.78
  5. Step 5: Solve for x
    x = 10,303,833.78/3,936.27
  6. Step 6: Final answer
    x = 2,617.66

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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.