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Finding the Fourth Proportional to 1,340.73, 1,851.06 and 1,092.64

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Solution

The fourth proportional to 1,340.73, 1,851.06 and 1,092.64 is: 1,508.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340.73 : 1,851.06 = 1,092.64 : x
  2. Step 2: Convert to fraction form
    1,340.73/1,851.06 = 1,092.64/x
  3. Step 3: Cross multiply
    1,340.73x = 1,851.06 × 1,092.64
  4. Step 4: Simplify right side
    1,340.73x = 2,022,542.07
  5. Step 5: Solve for x
    x = 2,022,542.07/1,340.73
  6. Step 6: Final answer
    x = 1,508.54

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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.