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Finding the Fourth Proportional to 17,793.60, 26,691.30 and 7,933.56

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Solution

The fourth proportional to 17,793.60, 26,691.30 and 7,933.56 is: 11,900.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,793.60 : 26,691.30 = 7,933.56 : x
  2. Step 2: Convert to fraction form
    17,793.60/26,691.30 = 7,933.56/x
  3. Step 3: Cross multiply
    17,793.60x = 26,691.30 × 7,933.56
  4. Step 4: Simplify right side
    17,793.60x = 211,757,030.03
  5. Step 5: Solve for x
    x = 211,757,030.03/17,793.60
  6. Step 6: Final answer
    x = 11,900.74

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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.