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Finding the Fourth Proportional to 1,793.95, 2,692.04 and 917.33

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Solution

The fourth proportional to 1,793.95, 2,692.04 and 917.33 is: 1,376.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,793.95 : 2,692.04 = 917.33 : x
  2. Step 2: Convert to fraction form
    1,793.95/2,692.04 = 917.33/x
  3. Step 3: Cross multiply
    1,793.95x = 2,692.04 × 917.33
  4. Step 4: Simplify right side
    1,793.95x = 2,469,471.01
  5. Step 5: Solve for x
    x = 2,469,471.01/1,793.95
  6. Step 6: Final answer
    x = 1,376.56

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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.