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Finding the Fourth Proportional to 1,794.24, 2,692.05 and 699.38

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Solution

The fourth proportional to 1,794.24, 2,692.05 and 699.38 is: 1,049.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,794.24 : 2,692.05 = 699.38 : x
  2. Step 2: Convert to fraction form
    1,794.24/2,692.05 = 699.38/x
  3. Step 3: Cross multiply
    1,794.24x = 2,692.05 × 699.38
  4. Step 4: Simplify right side
    1,794.24x = 1,882,765.93
  5. Step 5: Solve for x
    x = 1,882,765.93/1,794.24
  6. Step 6: Final answer
    x = 1,049.34

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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.