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Finding the Fourth Proportional to 57,910.78, 79,924.42 and 32,426.87

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Solution

The fourth proportional to 57,910.78, 79,924.42 and 32,426.87 is: 44,753.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,910.78 : 79,924.42 = 32,426.87 : x
  2. Step 2: Convert to fraction form
    57,910.78/79,924.42 = 32,426.87/x
  3. Step 3: Cross multiply
    57,910.78x = 79,924.42 × 32,426.87
  4. Step 4: Simplify right side
    57,910.78x = 2,591,698,418.08
  5. Step 5: Solve for x
    x = 2,591,698,418.08/57,910.78
  6. Step 6: Final answer
    x = 44,753.30

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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.