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Finding the Fourth Proportional to 57,601.91, 79,505.66 and 37,513.91

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Solution

The fourth proportional to 57,601.91, 79,505.66 and 37,513.91 is: 51,778.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,601.91 : 79,505.66 = 37,513.91 : x
  2. Step 2: Convert to fraction form
    57,601.91/79,505.66 = 37,513.91/x
  3. Step 3: Cross multiply
    57,601.91x = 79,505.66 × 37,513.91
  4. Step 4: Simplify right side
    57,601.91x = 2,982,567,869.99
  5. Step 5: Solve for x
    x = 2,982,567,869.99/57,601.91
  6. Step 6: Final answer
    x = 51,778.98

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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.