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Finding the Fourth Proportional to 3,687.02, 5,521.52 and 1,933.49

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Solution

The fourth proportional to 3,687.02, 5,521.52 and 1,933.49 is: 2,895.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,687.02 : 5,521.52 = 1,933.49 : x
  2. Step 2: Convert to fraction form
    3,687.02/5,521.52 = 1,933.49/x
  3. Step 3: Cross multiply
    3,687.02x = 5,521.52 × 1,933.49
  4. Step 4: Simplify right side
    3,687.02x = 10,675,766.43
  5. Step 5: Solve for x
    x = 10,675,766.43/3,687.02
  6. Step 6: Final answer
    x = 2,895.50

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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.