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Finding the Fourth Proportional to 3,359.73, 5,042.73 and 1,717.47

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Solution

The fourth proportional to 3,359.73, 5,042.73 and 1,717.47 is: 2,577.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,359.73 : 5,042.73 = 1,717.47 : x
  2. Step 2: Convert to fraction form
    3,359.73/5,042.73 = 1,717.47/x
  3. Step 3: Cross multiply
    3,359.73x = 5,042.73 × 1,717.47
  4. Step 4: Simplify right side
    3,359.73x = 8,660,737.49
  5. Step 5: Solve for x
    x = 8,660,737.49/3,359.73
  6. Step 6: Final answer
    x = 2,577.81

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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.