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Finding the Fourth Proportional to 57,748.70, 79,694.52 and 33,892.58

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Solution

The fourth proportional to 57,748.70, 79,694.52 and 33,892.58 is: 46,772.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,748.70 : 79,694.52 = 33,892.58 : x
  2. Step 2: Convert to fraction form
    57,748.70/79,694.52 = 33,892.58/x
  3. Step 3: Cross multiply
    57,748.70x = 79,694.52 × 33,892.58
  4. Step 4: Simplify right side
    57,748.70x = 2,701,052,966.80
  5. Step 5: Solve for x
    x = 2,701,052,966.80/57,748.70
  6. Step 6: Final answer
    x = 46,772.53

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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.