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Finding the Fourth Proportional to 3,600.42, 4,968.43 and 2,028.52

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Solution

The fourth proportional to 3,600.42, 4,968.43 and 2,028.52 is: 2,799.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,600.42 : 4,968.43 = 2,028.52 : x
  2. Step 2: Convert to fraction form
    3,600.42/4,968.43 = 2,028.52/x
  3. Step 3: Cross multiply
    3,600.42x = 4,968.43 × 2,028.52
  4. Step 4: Simplify right side
    3,600.42x = 10,078,559.62
  5. Step 5: Solve for x
    x = 10,078,559.62/3,600.42
  6. Step 6: Final answer
    x = 2,799.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.