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Finding the Fourth Proportional to 57,861.74, 79,845.44 and 32,363.69

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Solution

The fourth proportional to 57,861.74, 79,845.44 and 32,363.69 is: 44,659.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,861.74 : 79,845.44 = 32,363.69 : x
  2. Step 2: Convert to fraction form
    57,861.74/79,845.44 = 32,363.69/x
  3. Step 3: Cross multiply
    57,861.74x = 79,845.44 × 32,363.69
  4. Step 4: Simplify right side
    57,861.74x = 2,584,092,507.03
  5. Step 5: Solve for x
    x = 2,584,092,507.03/57,861.74
  6. Step 6: Final answer
    x = 44,659.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.