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Finding the Fourth Proportional to 60,808.83, 91,213.55 and 27,489.88

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Solution

The fourth proportional to 60,808.83, 91,213.55 and 27,489.88 is: 41,234.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,808.83 : 91,213.55 = 27,489.88 : x
  2. Step 2: Convert to fraction form
    60,808.83/91,213.55 = 27,489.88/x
  3. Step 3: Cross multiply
    60,808.83x = 91,213.55 × 27,489.88
  4. Step 4: Simplify right side
    60,808.83x = 2,507,449,543.87
  5. Step 5: Solve for x
    x = 2,507,449,543.87/60,808.83
  6. Step 6: Final answer
    x = 41,234.96

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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.