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Finding the Fourth Proportional to 57,989.52, 79,997.15 and 36,505.89

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Solution

The fourth proportional to 57,989.52, 79,997.15 and 36,505.89 is: 50,360.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,989.52 : 79,997.15 = 36,505.89 : x
  2. Step 2: Convert to fraction form
    57,989.52/79,997.15 = 36,505.89/x
  3. Step 3: Cross multiply
    57,989.52x = 79,997.15 × 36,505.89
  4. Step 4: Simplify right side
    57,989.52x = 2,920,367,249.48
  5. Step 5: Solve for x
    x = 2,920,367,249.48/57,989.52
  6. Step 6: Final answer
    x = 50,360.26

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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.