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Finding the Fourth Proportional to 57,863.70, 79,860.42 and 36,644.94

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Solution

The fourth proportional to 57,863.70, 79,860.42 and 36,644.94 is: 50,575.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,863.70 : 79,860.42 = 36,644.94 : x
  2. Step 2: Convert to fraction form
    57,863.70/79,860.42 = 36,644.94/x
  3. Step 3: Cross multiply
    57,863.70x = 79,860.42 × 36,644.94
  4. Step 4: Simplify right side
    57,863.70x = 2,926,480,299.27
  5. Step 5: Solve for x
    x = 2,926,480,299.27/57,863.70
  6. Step 6: Final answer
    x = 50,575.41

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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.