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Finding the Fourth Proportional to 3,168.50, 4,754.67 and 1,344.50

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Solution

The fourth proportional to 3,168.50, 4,754.67 and 1,344.50 is: 2,017.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168.50 : 4,754.67 = 1,344.50 : x
  2. Step 2: Convert to fraction form
    3,168.50/4,754.67 = 1,344.50/x
  3. Step 3: Cross multiply
    3,168.50x = 4,754.67 × 1,344.50
  4. Step 4: Simplify right side
    3,168.50x = 6,392,653.82
  5. Step 5: Solve for x
    x = 6,392,653.82/3,168.50
  6. Step 6: Final answer
    x = 2,017.56

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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.