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Finding the Fourth Proportional to 11,793.15, 16,270.50 and 7,315.29

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Solution

The fourth proportional to 11,793.15, 16,270.50 and 7,315.29 is: 10,092.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,793.15 : 16,270.50 = 7,315.29 : x
  2. Step 2: Convert to fraction form
    11,793.15/16,270.50 = 7,315.29/x
  3. Step 3: Cross multiply
    11,793.15x = 16,270.50 × 7,315.29
  4. Step 4: Simplify right side
    11,793.15x = 119,023,425.95
  5. Step 5: Solve for x
    x = 119,023,425.95/11,793.15
  6. Step 6: Final answer
    x = 10,092.59

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.