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Finding the Fourth Proportional to 3,671.72, 5,506.98 and 1,074.04

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Solution

The fourth proportional to 3,671.72, 5,506.98 and 1,074.04 is: 1,610.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,671.72 : 5,506.98 = 1,074.04 : x
  2. Step 2: Convert to fraction form
    3,671.72/5,506.98 = 1,074.04/x
  3. Step 3: Cross multiply
    3,671.72x = 5,506.98 × 1,074.04
  4. Step 4: Simplify right side
    3,671.72x = 5,914,716.80
  5. Step 5: Solve for x
    x = 5,914,716.80/3,671.72
  6. Step 6: Final answer
    x = 1,610.88

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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.