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Finding the Fourth Proportional to 1,736.82, 2,604.70 and 696.46

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Solution

The fourth proportional to 1,736.82, 2,604.70 and 696.46 is: 1,044.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,736.82 : 2,604.70 = 696.46 : x
  2. Step 2: Convert to fraction form
    1,736.82/2,604.70 = 696.46/x
  3. Step 3: Cross multiply
    1,736.82x = 2,604.70 × 696.46
  4. Step 4: Simplify right side
    1,736.82x = 1,814,069.36
  5. Step 5: Solve for x
    x = 1,814,069.36/1,736.82
  6. Step 6: Final answer
    x = 1,044.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.