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Finding the Fourth Proportional to 3,957.48, 5,936.55 and 1,183.95

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Solution

The fourth proportional to 3,957.48, 5,936.55 and 1,183.95 is: 1,776.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,957.48 : 5,936.55 = 1,183.95 : x
  2. Step 2: Convert to fraction form
    3,957.48/5,936.55 = 1,183.95/x
  3. Step 3: Cross multiply
    3,957.48x = 5,936.55 × 1,183.95
  4. Step 4: Simplify right side
    3,957.48x = 7,028,578.37
  5. Step 5: Solve for x
    x = 7,028,578.37/3,957.48
  6. Step 6: Final answer
    x = 1,776.02

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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.