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Finding the Fourth Proportional to 2,732.82, 3,771.27 and 1,490.82

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Solution

The fourth proportional to 2,732.82, 3,771.27 and 1,490.82 is: 2,057.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,732.82 : 3,771.27 = 1,490.82 : x
  2. Step 2: Convert to fraction form
    2,732.82/3,771.27 = 1,490.82/x
  3. Step 3: Cross multiply
    2,732.82x = 3,771.27 × 1,490.82
  4. Step 4: Simplify right side
    2,732.82x = 5,622,284.74
  5. Step 5: Solve for x
    x = 5,622,284.74/2,732.82
  6. Step 6: Final answer
    x = 2,057.32

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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.