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Finding the Fourth Proportional to 3,936.41, 5,904.63 and 1,717.48

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Solution

The fourth proportional to 3,936.41, 5,904.63 and 1,717.48 is: 2,576.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936.41 : 5,904.63 = 1,717.48 : x
  2. Step 2: Convert to fraction form
    3,936.41/5,904.63 = 1,717.48/x
  3. Step 3: Cross multiply
    3,936.41x = 5,904.63 × 1,717.48
  4. Step 4: Simplify right side
    3,936.41x = 10,141,081.95
  5. Step 5: Solve for x
    x = 10,141,081.95/3,936.41
  6. Step 6: Final answer
    x = 2,576.23

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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.