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Finding the Fourth Proportional to 17,692.56, 26,538.90 and 16,805.70

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Solution

The fourth proportional to 17,692.56, 26,538.90 and 16,805.70 is: 25,208.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,692.56 : 26,538.90 = 16,805.70 : x
  2. Step 2: Convert to fraction form
    17,692.56/26,538.90 = 16,805.70/x
  3. Step 3: Cross multiply
    17,692.56x = 26,538.90 × 16,805.70
  4. Step 4: Simplify right side
    17,692.56x = 446,004,791.73
  5. Step 5: Solve for x
    x = 446,004,791.73/17,692.56
  6. Step 6: Final answer
    x = 25,208.61

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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.