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Finding the Fourth Proportional to 3,692.79, 5,542.32 and 1,843.35

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Solution

The fourth proportional to 3,692.79, 5,542.32 and 1,843.35 is: 2,766.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,692.79 : 5,542.32 = 1,843.35 : x
  2. Step 2: Convert to fraction form
    3,692.79/5,542.32 = 1,843.35/x
  3. Step 3: Cross multiply
    3,692.79x = 5,542.32 × 1,843.35
  4. Step 4: Simplify right side
    3,692.79x = 10,216,435.57
  5. Step 5: Solve for x
    x = 10,216,435.57/3,692.79
  6. Step 6: Final answer
    x = 2,766.59

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1.5x scale

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.