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Finding the Fourth Proportional to 5,319.68, 7,976.68 and 2,544.62

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Solution

The fourth proportional to 5,319.68, 7,976.68 and 2,544.62 is: 3,815.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,319.68 : 7,976.68 = 2,544.62 : x
  2. Step 2: Convert to fraction form
    5,319.68/7,976.68 = 2,544.62/x
  3. Step 3: Cross multiply
    5,319.68x = 7,976.68 × 2,544.62
  4. Step 4: Simplify right side
    5,319.68x = 20,297,573.22
  5. Step 5: Solve for x
    x = 20,297,573.22/5,319.68
  6. Step 6: Final answer
    x = 3,815.57

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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.