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Finding the Fourth Proportional to 11,879.60, 17,833.80 and 11,793.20

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Solution

The fourth proportional to 11,879.60, 17,833.80 and 11,793.20 is: 17,704.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,879.60 : 17,833.80 = 11,793.20 : x
  2. Step 2: Convert to fraction form
    11,879.60/17,833.80 = 11,793.20/x
  3. Step 3: Cross multiply
    11,879.60x = 17,833.80 × 11,793.20
  4. Step 4: Simplify right side
    11,879.60x = 210,317,570.16
  5. Step 5: Solve for x
    x = 210,317,570.16/11,879.60
  6. Step 6: Final answer
    x = 17,704.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.