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Finding the Fourth Proportional to 1,694.61, 2,338.97 and 1,073.25

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Solution

The fourth proportional to 1,694.61, 2,338.97 and 1,073.25 is: 1,481.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,694.61 : 2,338.97 = 1,073.25 : x
  2. Step 2: Convert to fraction form
    1,694.61/2,338.97 = 1,073.25/x
  3. Step 3: Cross multiply
    1,694.61x = 2,338.97 × 1,073.25
  4. Step 4: Simplify right side
    1,694.61x = 2,510,294.19
  5. Step 5: Solve for x
    x = 2,510,294.19/1,694.61
  6. Step 6: Final answer
    x = 1,481.34

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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.