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Finding the Fourth Proportional to 17,793.19, 26,634.42 and 11,205.55

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Solution

The fourth proportional to 17,793.19, 26,634.42 and 11,205.55 is: 16,773.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,793.19 : 26,634.42 = 11,205.55 : x
  2. Step 2: Convert to fraction form
    17,793.19/26,634.42 = 11,205.55/x
  3. Step 3: Cross multiply
    17,793.19x = 26,634.42 × 11,205.55
  4. Step 4: Simplify right side
    17,793.19x = 298,453,325.03
  5. Step 5: Solve for x
    x = 298,453,325.03/17,793.19
  6. Step 6: Final answer
    x = 16,773.46

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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.