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Finding the Fourth Proportional to 54,399.60, 81,469.80 and 33,404.40

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Solution

The fourth proportional to 54,399.60, 81,469.80 and 33,404.40 is: 50,027.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,399.60 : 81,469.80 = 33,404.40 : x
  2. Step 2: Convert to fraction form
    54,399.60/81,469.80 = 33,404.40/x
  3. Step 3: Cross multiply
    54,399.60x = 81,469.80 × 33,404.40
  4. Step 4: Simplify right side
    54,399.60x = 2,721,449,787.12
  5. Step 5: Solve for x
    x = 2,721,449,787.12/54,399.60
  6. Step 6: Final answer
    x = 50,027.02

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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.