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Finding the Fourth Proportional to 11,847.72, 17,777.73 and 4,832.88

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Solution

The fourth proportional to 11,847.72, 17,777.73 and 4,832.88 is: 7,251.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,847.72 : 17,777.73 = 4,832.88 : x
  2. Step 2: Convert to fraction form
    11,847.72/17,777.73 = 4,832.88/x
  3. Step 3: Cross multiply
    11,847.72x = 17,777.73 × 4,832.88
  4. Step 4: Simplify right side
    11,847.72x = 85,917,635.76
  5. Step 5: Solve for x
    x = 85,917,635.76/11,847.72
  6. Step 6: Final answer
    x = 7,251.83

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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.