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Finding the Fourth Proportional to 3,794.44, 5,692.14 and 1,485.64

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Solution

The fourth proportional to 3,794.44, 5,692.14 and 1,485.64 is: 2,228.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,794.44 : 5,692.14 = 1,485.64 : x
  2. Step 2: Convert to fraction form
    3,794.44/5,692.14 = 1,485.64/x
  3. Step 3: Cross multiply
    3,794.44x = 5,692.14 × 1,485.64
  4. Step 4: Simplify right side
    3,794.44x = 8,456,470.87
  5. Step 5: Solve for x
    x = 8,456,470.87/3,794.44
  6. Step 6: Final answer
    x = 2,228.65

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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.