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Finding the Fourth Proportional to 57,815.26, 79,797.94 and 35,149.46

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Solution

The fourth proportional to 57,815.26, 79,797.94 and 35,149.46 is: 48,514.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,815.26 : 79,797.94 = 35,149.46 : x
  2. Step 2: Convert to fraction form
    57,815.26/79,797.94 = 35,149.46/x
  3. Step 3: Cross multiply
    57,815.26x = 79,797.94 × 35,149.46
  4. Step 4: Simplify right side
    57,815.26x = 2,804,854,500.11
  5. Step 5: Solve for x
    x = 2,804,854,500.11/57,815.26
  6. Step 6: Final answer
    x = 48,514.09

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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.