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Finding the Fourth Proportional to 3,633.72, 5,015.16 and 3,512.22

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Solution

The fourth proportional to 3,633.72, 5,015.16 and 3,512.22 is: 4,847.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,633.72 : 5,015.16 = 3,512.22 : x
  2. Step 2: Convert to fraction form
    3,633.72/5,015.16 = 3,512.22/x
  3. Step 3: Cross multiply
    3,633.72x = 5,015.16 × 3,512.22
  4. Step 4: Simplify right side
    3,633.72x = 17,614,345.26
  5. Step 5: Solve for x
    x = 17,614,345.26/3,633.72
  6. Step 6: Final answer
    x = 4,847.47

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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.