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Finding the Fourth Proportional to 2,028.62, 3,043.11 and 567.79

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Solution

The fourth proportional to 2,028.62, 3,043.11 and 567.79 is: 851.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,028.62 : 3,043.11 = 567.79 : x
  2. Step 2: Convert to fraction form
    2,028.62/3,043.11 = 567.79/x
  3. Step 3: Cross multiply
    2,028.62x = 3,043.11 × 567.79
  4. Step 4: Simplify right side
    2,028.62x = 1,727,847.43
  5. Step 5: Solve for x
    x = 1,727,847.43/2,028.62
  6. Step 6: Final answer
    x = 851.74

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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.