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Finding the Fourth Proportional to 17,794.72, 26,692.52 and 13,642.24

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Solution

The fourth proportional to 17,794.72, 26,692.52 and 13,642.24 is: 20,463.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,794.72 : 26,692.52 = 13,642.24 : x
  2. Step 2: Convert to fraction form
    17,794.72/26,692.52 = 13,642.24/x
  3. Step 3: Cross multiply
    17,794.72x = 26,692.52 × 13,642.24
  4. Step 4: Simplify right side
    17,794.72x = 364,145,764.04
  5. Step 5: Solve for x
    x = 364,145,764.04/17,794.72
  6. Step 6: Final answer
    x = 20,463.70

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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.