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Finding the Fourth Proportional to 1,732.00, 2,596.42 and 691.79

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Solution

The fourth proportional to 1,732.00, 2,596.42 and 691.79 is: 1,037.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,732.00 : 2,596.42 = 691.79 : x
  2. Step 2: Convert to fraction form
    1,732.00/2,596.42 = 691.79/x
  3. Step 3: Cross multiply
    1,732.00x = 2,596.42 × 691.79
  4. Step 4: Simplify right side
    1,732.00x = 1,796,179.88
  5. Step 5: Solve for x
    x = 1,796,179.88/1,732.00
  6. Step 6: Final answer
    x = 1,037.06

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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.