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Finding the Fourth Proportional to 35,251.79, 48,644.39 and 20,141.44

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Solution

The fourth proportional to 35,251.79, 48,644.39 and 20,141.44 is: 27,793.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,251.79 : 48,644.39 = 20,141.44 : x
  2. Step 2: Convert to fraction form
    35,251.79/48,644.39 = 20,141.44/x
  3. Step 3: Cross multiply
    35,251.79x = 48,644.39 × 20,141.44
  4. Step 4: Simplify right side
    35,251.79x = 979,768,173.68
  5. Step 5: Solve for x
    x = 979,768,173.68/35,251.79
  6. Step 6: Final answer
    x = 27,793.43

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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.