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Finding the Fourth Proportional to 3,674.53, 5,071.47 and 3,553.03

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Solution

The fourth proportional to 3,674.53, 5,071.47 and 3,553.03 is: 4,903.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,674.53 : 5,071.47 = 3,553.03 : x
  2. Step 2: Convert to fraction form
    3,674.53/5,071.47 = 3,553.03/x
  3. Step 3: Cross multiply
    3,674.53x = 5,071.47 × 3,553.03
  4. Step 4: Simplify right side
    3,674.53x = 18,019,085.05
  5. Step 5: Solve for x
    x = 18,019,085.05/3,674.53
  6. Step 6: Final answer
    x = 4,903.78

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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.