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Finding the Fourth Proportional to 11,791.48, 17,670.98 and 5,951.96

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Solution

The fourth proportional to 11,791.48, 17,670.98 and 5,951.96 is: 8,919.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,791.48 : 17,670.98 = 5,951.96 : x
  2. Step 2: Convert to fraction form
    11,791.48/17,670.98 = 5,951.96/x
  3. Step 3: Cross multiply
    11,791.48x = 17,670.98 × 5,951.96
  4. Step 4: Simplify right side
    11,791.48x = 105,176,966.12
  5. Step 5: Solve for x
    x = 105,176,966.12/11,791.48
  6. Step 6: Final answer
    x = 8,919.74

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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.