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Finding the Fourth Proportional to 1,796.53, 2,692.87 and 1,281.97

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Solution

The fourth proportional to 1,796.53, 2,692.87 and 1,281.97 is: 1,921.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,796.53 : 2,692.87 = 1,281.97 : x
  2. Step 2: Convert to fraction form
    1,796.53/2,692.87 = 1,281.97/x
  3. Step 3: Cross multiply
    1,796.53x = 2,692.87 × 1,281.97
  4. Step 4: Simplify right side
    1,796.53x = 3,452,178.55
  5. Step 5: Solve for x
    x = 3,452,178.55/1,796.53
  6. Step 6: Final answer
    x = 1,921.58

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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.