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Finding the Fourth Proportional to 54,067, 74,645.40 and 37,099.12

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Solution

The fourth proportional to 54,067, 74,645.40 and 37,099.12 is: 51,219.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,067 : 74,645.40 = 37,099.12 : x
  2. Step 2: Convert to fraction form
    54,067/74,645.40 = 37,099.12/x
  3. Step 3: Cross multiply
    54,067x = 74,645.40 × 37,099.12
  4. Step 4: Simplify right side
    54,067x = 2,769,278,652.05
  5. Step 5: Solve for x
    x = 2,769,278,652.05/54,067
  6. Step 6: Final answer
    x = 51,219.39

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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.