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Finding the Fourth Proportional to 2,761.52, 3,810.88 and 1,519.52

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Solution

The fourth proportional to 2,761.52, 3,810.88 and 1,519.52 is: 2,096.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,761.52 : 3,810.88 = 1,519.52 : x
  2. Step 2: Convert to fraction form
    2,761.52/3,810.88 = 1,519.52/x
  3. Step 3: Cross multiply
    2,761.52x = 3,810.88 × 1,519.52
  4. Step 4: Simplify right side
    2,761.52x = 5,790,708.38
  5. Step 5: Solve for x
    x = 5,790,708.38/2,761.52
  6. Step 6: Final answer
    x = 2,096.93

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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.