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Finding the Fourth Proportional to 73,067.50, 100,833.24 and 39,533.50

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Solution

The fourth proportional to 73,067.50, 100,833.24 and 39,533.50 is: 54,556.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,067.50 : 100,833.24 = 39,533.50 : x
  2. Step 2: Convert to fraction form
    73,067.50/100,833.24 = 39,533.50/x
  3. Step 3: Cross multiply
    73,067.50x = 100,833.24 × 39,533.50
  4. Step 4: Simplify right side
    73,067.50x = 3,986,290,893.54
  5. Step 5: Solve for x
    x = 3,986,290,893.54/73,067.50
  6. Step 6: Final answer
    x = 54,556.28

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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.