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Finding the Fourth Proportional to 29,789.78, 44,679.80 and 10,067.90

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Solution

The fourth proportional to 29,789.78, 44,679.80 and 10,067.90 is: 15,100.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,789.78 : 44,679.80 = 10,067.90 : x
  2. Step 2: Convert to fraction form
    29,789.78/44,679.80 = 10,067.90/x
  3. Step 3: Cross multiply
    29,789.78x = 44,679.80 × 10,067.90
  4. Step 4: Simplify right side
    29,789.78x = 449,831,758.42
  5. Step 5: Solve for x
    x = 449,831,758.42/29,789.78
  6. Step 6: Final answer
    x = 15,100.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.