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Finding the Fourth Proportional to 3,558.88, 5,338.32 and 1,611.04

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Solution

The fourth proportional to 3,558.88, 5,338.32 and 1,611.04 is: 2,416.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,558.88 : 5,338.32 = 1,611.04 : x
  2. Step 2: Convert to fraction form
    3,558.88/5,338.32 = 1,611.04/x
  3. Step 3: Cross multiply
    3,558.88x = 5,338.32 × 1,611.04
  4. Step 4: Simplify right side
    3,558.88x = 8,600,247.05
  5. Step 5: Solve for x
    x = 8,600,247.05/3,558.88
  6. Step 6: Final answer
    x = 2,416.56

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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.