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Finding the Fourth Proportional to 11,192.32, 16,793.96 and 7,926.40

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Solution

The fourth proportional to 11,192.32, 16,793.96 and 7,926.40 is: 11,893.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,192.32 : 16,793.96 = 7,926.40 : x
  2. Step 2: Convert to fraction form
    11,192.32/16,793.96 = 7,926.40/x
  3. Step 3: Cross multiply
    11,192.32x = 16,793.96 × 7,926.40
  4. Step 4: Simplify right side
    11,192.32x = 133,115,644.54
  5. Step 5: Solve for x
    x = 133,115,644.54/11,192.32
  6. Step 6: Final answer
    x = 11,893.48

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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.