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Finding the Fourth Proportional to 2,672.73, 4,006.03 and 1,028.43

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Solution

The fourth proportional to 2,672.73, 4,006.03 and 1,028.43 is: 1,541.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,672.73 : 4,006.03 = 1,028.43 : x
  2. Step 2: Convert to fraction form
    2,672.73/4,006.03 = 1,028.43/x
  3. Step 3: Cross multiply
    2,672.73x = 4,006.03 × 1,028.43
  4. Step 4: Simplify right side
    2,672.73x = 4,119,921.43
  5. Step 5: Solve for x
    x = 4,119,921.43/2,672.73
  6. Step 6: Final answer
    x = 1,541.47

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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.