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Finding the Fourth Proportional to 54,951.05, 75,836.52 and 30,754.44

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Solution

The fourth proportional to 54,951.05, 75,836.52 and 30,754.44 is: 42,443.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,951.05 : 75,836.52 = 30,754.44 : x
  2. Step 2: Convert to fraction form
    54,951.05/75,836.52 = 30,754.44/x
  3. Step 3: Cross multiply
    54,951.05x = 75,836.52 × 30,754.44
  4. Step 4: Simplify right side
    54,951.05x = 2,332,309,704.15
  5. Step 5: Solve for x
    x = 2,332,309,704.15/54,951.05
  6. Step 6: Final answer
    x = 42,443.41

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1.5x scale

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.