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Finding the Fourth Proportional to 3,896.24, 5,844.48 and 1,703.84

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Solution

The fourth proportional to 3,896.24, 5,844.48 and 1,703.84 is: 2,555.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,896.24 : 5,844.48 = 1,703.84 : x
  2. Step 2: Convert to fraction form
    3,896.24/5,844.48 = 1,703.84/x
  3. Step 3: Cross multiply
    3,896.24x = 5,844.48 × 1,703.84
  4. Step 4: Simplify right side
    3,896.24x = 9,958,058.80
  5. Step 5: Solve for x
    x = 9,958,058.80/3,896.24
  6. Step 6: Final answer
    x = 2,555.81

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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.