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Finding the Fourth Proportional to 8,273.91, 11,423.96 and 5,091.49

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Solution

The fourth proportional to 8,273.91, 11,423.96 and 5,091.49 is: 7,029.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,273.91 : 11,423.96 = 5,091.49 : x
  2. Step 2: Convert to fraction form
    8,273.91/11,423.96 = 5,091.49/x
  3. Step 3: Cross multiply
    8,273.91x = 11,423.96 × 5,091.49
  4. Step 4: Simplify right side
    8,273.91x = 58,164,978.10
  5. Step 5: Solve for x
    x = 58,164,978.10/8,273.91
  6. Step 6: Final answer
    x = 7,029.93

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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.