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Finding the Fourth Proportional to 36,660.40, 50,591.46 and 19,893.40

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Solution

The fourth proportional to 36,660.40, 50,591.46 and 19,893.40 is: 27,452.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,660.40 : 50,591.46 = 19,893.40 : x
  2. Step 2: Convert to fraction form
    36,660.40/50,591.46 = 19,893.40/x
  3. Step 3: Cross multiply
    36,660.40x = 50,591.46 × 19,893.40
  4. Step 4: Simplify right side
    36,660.40x = 1,006,436,150.36
  5. Step 5: Solve for x
    x = 1,006,436,150.36/36,660.40
  6. Step 6: Final answer
    x = 27,452.95

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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.