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Finding the Fourth Proportional to 57,872.44, 79,836.99 and 37,461.09

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Solution

The fourth proportional to 57,872.44, 79,836.99 and 37,461.09 is: 51,678.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,872.44 : 79,836.99 = 37,461.09 : x
  2. Step 2: Convert to fraction form
    57,872.44/79,836.99 = 37,461.09/x
  3. Step 3: Cross multiply
    57,872.44x = 79,836.99 × 37,461.09
  4. Step 4: Simplify right side
    57,872.44x = 2,990,780,667.72
  5. Step 5: Solve for x
    x = 2,990,780,667.72/57,872.44
  6. Step 6: Final answer
    x = 51,678.84

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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.