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Finding the Fourth Proportional to 7,474.87, 11,213.52 and 2,544

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Solution

The fourth proportional to 7,474.87, 11,213.52 and 2,544 is: 3,816.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,474.87 : 11,213.52 = 2,544 : x
  2. Step 2: Convert to fraction form
    7,474.87/11,213.52 = 2,544/x
  3. Step 3: Cross multiply
    7,474.87x = 11,213.52 × 2,544
  4. Step 4: Simplify right side
    7,474.87x = 28,527,194.88
  5. Step 5: Solve for x
    x = 28,527,194.88/7,474.87
  6. Step 6: Final answer
    x = 3,816.41

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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.