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Finding the Fourth Proportional to 17,793.64, 26,690.44 and 7,268.60

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Solution

The fourth proportional to 17,793.64, 26,690.44 and 7,268.60 is: 10,902.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,793.64 : 26,690.44 = 7,268.60 : x
  2. Step 2: Convert to fraction form
    17,793.64/26,690.44 = 7,268.60/x
  3. Step 3: Cross multiply
    17,793.64x = 26,690.44 × 7,268.60
  4. Step 4: Simplify right side
    17,793.64x = 194,002,230.22
  5. Step 5: Solve for x
    x = 194,002,230.22/17,793.64
  6. Step 6: Final answer
    x = 10,902.90

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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.