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Finding the Fourth Proportional to 57,687.70, 79,614.60 and 35,021.44

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Solution

The fourth proportional to 57,687.70, 79,614.60 and 35,021.44 is: 48,332.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,687.70 : 79,614.60 = 35,021.44 : x
  2. Step 2: Convert to fraction form
    57,687.70/79,614.60 = 35,021.44/x
  3. Step 3: Cross multiply
    57,687.70x = 79,614.60 × 35,021.44
  4. Step 4: Simplify right side
    57,687.70x = 2,788,217,937.02
  5. Step 5: Solve for x
    x = 2,788,217,937.02/57,687.70
  6. Step 6: Final answer
    x = 48,332.97

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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.