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Finding the Fourth Proportional to 23,692.90, 35,523.15 and 11,218.90

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Solution

The fourth proportional to 23,692.90, 35,523.15 and 11,218.90 is: 16,820.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,692.90 : 35,523.15 = 11,218.90 : x
  2. Step 2: Convert to fraction form
    23,692.90/35,523.15 = 11,218.90/x
  3. Step 3: Cross multiply
    23,692.90x = 35,523.15 × 11,218.90
  4. Step 4: Simplify right side
    23,692.90x = 398,530,667.54
  5. Step 5: Solve for x
    x = 398,530,667.54/23,692.90
  6. Step 6: Final answer
    x = 16,820.68

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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.