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Finding the Fourth Proportional to 3,822.74, 5,734.12 and 1,049.43

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Solution

The fourth proportional to 3,822.74, 5,734.12 and 1,049.43 is: 1,574.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,822.74 : 5,734.12 = 1,049.43 : x
  2. Step 2: Convert to fraction form
    3,822.74/5,734.12 = 1,049.43/x
  3. Step 3: Cross multiply
    3,822.74x = 5,734.12 × 1,049.43
  4. Step 4: Simplify right side
    3,822.74x = 6,017,559.32
  5. Step 5: Solve for x
    x = 6,017,559.32/3,822.74
  6. Step 6: Final answer
    x = 1,574.15

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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.