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Finding the Fourth Proportional to 5,050.76, 7,579.79 and 2,863.76

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Solution

The fourth proportional to 5,050.76, 7,579.79 and 2,863.76 is: 4,297.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,050.76 : 7,579.79 = 2,863.76 : x
  2. Step 2: Convert to fraction form
    5,050.76/7,579.79 = 2,863.76/x
  3. Step 3: Cross multiply
    5,050.76x = 7,579.79 × 2,863.76
  4. Step 4: Simplify right side
    5,050.76x = 21,706,675.62
  5. Step 5: Solve for x
    x = 21,706,675.62/5,050.76
  6. Step 6: Final answer
    x = 4,297.71

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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.