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Finding the Fourth Proportional to 57,704.97, 79,668.86 and 37,297.72

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Solution

The fourth proportional to 57,704.97, 79,668.86 and 37,297.72 is: 51,494.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,704.97 : 79,668.86 = 37,297.72 : x
  2. Step 2: Convert to fraction form
    57,704.97/79,668.86 = 37,297.72/x
  3. Step 3: Cross multiply
    57,704.97x = 79,668.86 × 37,297.72
  4. Step 4: Simplify right side
    57,704.97x = 2,971,466,481.53
  5. Step 5: Solve for x
    x = 2,971,466,481.53/57,704.97
  6. Step 6: Final answer
    x = 51,494.12

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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.