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Finding the Fourth Proportional to 66,750.86, 100,067.97 and 33,424.22

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Solution

The fourth proportional to 66,750.86, 100,067.97 and 33,424.22 is: 50,107.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,750.86 : 100,067.97 = 33,424.22 : x
  2. Step 2: Convert to fraction form
    66,750.86/100,067.97 = 33,424.22/x
  3. Step 3: Cross multiply
    66,750.86x = 100,067.97 × 33,424.22
  4. Step 4: Simplify right side
    66,750.86x = 3,344,693,844.23
  5. Step 5: Solve for x
    x = 3,344,693,844.23/66,750.86
  6. Step 6: Final answer
    x = 50,107.13

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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.