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Finding the Fourth Proportional to 1,797.05, 2,696.49 and 823.03

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Solution

The fourth proportional to 1,797.05, 2,696.49 and 823.03 is: 1,234.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,797.05 : 2,696.49 = 823.03 : x
  2. Step 2: Convert to fraction form
    1,797.05/2,696.49 = 823.03/x
  3. Step 3: Cross multiply
    1,797.05x = 2,696.49 × 823.03
  4. Step 4: Simplify right side
    1,797.05x = 2,219,285.42
  5. Step 5: Solve for x
    x = 2,219,285.42/1,797.05
  6. Step 6: Final answer
    x = 1,234.96

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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.