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Finding the Fourth Proportional to 3,982.32, 5,492.88 and 3,651.84

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Solution

The fourth proportional to 3,982.32, 5,492.88 and 3,651.84 is: 5,037.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,982.32 : 5,492.88 = 3,651.84 : x
  2. Step 2: Convert to fraction form
    3,982.32/5,492.88 = 3,651.84/x
  3. Step 3: Cross multiply
    3,982.32x = 5,492.88 × 3,651.84
  4. Step 4: Simplify right side
    3,982.32x = 20,059,118.90
  5. Step 5: Solve for x
    x = 20,059,118.90/3,982.32
  6. Step 6: Final answer
    x = 5,037.04

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.