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Finding the Fourth Proportional to 3,960.51, 5,933.48 and 3,523.11

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Solution

The fourth proportional to 3,960.51, 5,933.48 and 3,523.11 is: 5,278.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,960.51 : 5,933.48 = 3,523.11 : x
  2. Step 2: Convert to fraction form
    3,960.51/5,933.48 = 3,523.11/x
  3. Step 3: Cross multiply
    3,960.51x = 5,933.48 × 3,523.11
  4. Step 4: Simplify right side
    3,960.51x = 20,904,285.11
  5. Step 5: Solve for x
    x = 20,904,285.11/3,960.51
  6. Step 6: Final answer
    x = 5,278.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.