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Finding the Fourth Proportional to 1,791.54, 2,472.24 and 1,083.56

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Solution

The fourth proportional to 1,791.54, 2,472.24 and 1,083.56 is: 1,495.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,791.54 : 2,472.24 = 1,083.56 : x
  2. Step 2: Convert to fraction form
    1,791.54/2,472.24 = 1,083.56/x
  3. Step 3: Cross multiply
    1,791.54x = 2,472.24 × 1,083.56
  4. Step 4: Simplify right side
    1,791.54x = 2,678,820.37
  5. Step 5: Solve for x
    x = 2,678,820.37/1,791.54
  6. Step 6: Final answer
    x = 1,495.26

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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.