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Finding the Fourth Proportional to 53,861.92, 80,755.40 and 23,859.88

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Solution

The fourth proportional to 53,861.92, 80,755.40 and 23,859.88 is: 35,773.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,861.92 : 80,755.40 = 23,859.88 : x
  2. Step 2: Convert to fraction form
    53,861.92/80,755.40 = 23,859.88/x
  3. Step 3: Cross multiply
    53,861.92x = 80,755.40 × 23,859.88
  4. Step 4: Simplify right side
    53,861.92x = 1,926,814,011.11
  5. Step 5: Solve for x
    x = 1,926,814,011.11/53,861.92
  6. Step 6: Final answer
    x = 35,773.22

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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.