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Finding the Fourth Proportional to 57,628.87, 79,524.79 and 32,137.86

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Solution

The fourth proportional to 57,628.87, 79,524.79 and 32,137.86 is: 44,348.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,628.87 : 79,524.79 = 32,137.86 : x
  2. Step 2: Convert to fraction form
    57,628.87/79,524.79 = 32,137.86/x
  3. Step 3: Cross multiply
    57,628.87x = 79,524.79 × 32,137.86
  4. Step 4: Simplify right side
    57,628.87x = 2,555,756,785.42
  5. Step 5: Solve for x
    x = 2,555,756,785.42/57,628.87
  6. Step 6: Final answer
    x = 44,348.55

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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.