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Finding the Fourth Proportional to 3,935.62, 5,904.80 and 1,745.88

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Solution

The fourth proportional to 3,935.62, 5,904.80 and 1,745.88 is: 2,619.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,935.62 : 5,904.80 = 1,745.88 : x
  2. Step 2: Convert to fraction form
    3,935.62/5,904.80 = 1,745.88/x
  3. Step 3: Cross multiply
    3,935.62x = 5,904.80 × 1,745.88
  4. Step 4: Simplify right side
    3,935.62x = 10,309,072.22
  5. Step 5: Solve for x
    x = 10,309,072.22/3,935.62
  6. Step 6: Final answer
    x = 2,619.43

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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.