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Finding the Fourth Proportional to 3,651.21, 5,474.03 and 1,184.54

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Solution

The fourth proportional to 3,651.21, 5,474.03 and 1,184.54 is: 1,775.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,651.21 : 5,474.03 = 1,184.54 : x
  2. Step 2: Convert to fraction form
    3,651.21/5,474.03 = 1,184.54/x
  3. Step 3: Cross multiply
    3,651.21x = 5,474.03 × 1,184.54
  4. Step 4: Simplify right side
    3,651.21x = 6,484,174.20
  5. Step 5: Solve for x
    x = 6,484,174.20/3,651.21
  6. Step 6: Final answer
    x = 1,775.90

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.