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Finding the Fourth Proportional to 3,447.93, 5,171.22 and 1,692.18

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Solution

The fourth proportional to 3,447.93, 5,171.22 and 1,692.18 is: 2,537.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,447.93 : 5,171.22 = 1,692.18 : x
  2. Step 2: Convert to fraction form
    3,447.93/5,171.22 = 1,692.18/x
  3. Step 3: Cross multiply
    3,447.93x = 5,171.22 × 1,692.18
  4. Step 4: Simplify right side
    3,447.93x = 8,750,635.06
  5. Step 5: Solve for x
    x = 8,750,635.06/3,447.93
  6. Step 6: Final answer
    x = 2,537.94

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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.