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Finding the Fourth Proportional to 57,748.80, 79,694.40 and 32,593.44

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Solution

The fourth proportional to 57,748.80, 79,694.40 and 32,593.44 is: 44,979.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,748.80 : 79,694.40 = 32,593.44 : x
  2. Step 2: Convert to fraction form
    57,748.80/79,694.40 = 32,593.44/x
  3. Step 3: Cross multiply
    57,748.80x = 79,694.40 × 32,593.44
  4. Step 4: Simplify right side
    57,748.80x = 2,597,514,644.74
  5. Step 5: Solve for x
    x = 2,597,514,644.74/57,748.80
  6. Step 6: Final answer
    x = 44,979.54

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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.