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Finding the Fourth Proportional to 67,214.82, 100,884.50 and 33,958.32

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Solution

The fourth proportional to 67,214.82, 100,884.50 and 33,958.32 is: 50,968.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,214.82 : 100,884.50 = 33,958.32 : x
  2. Step 2: Convert to fraction form
    67,214.82/100,884.50 = 33,958.32/x
  3. Step 3: Cross multiply
    67,214.82x = 100,884.50 × 33,958.32
  4. Step 4: Simplify right side
    67,214.82x = 3,425,868,218.94
  5. Step 5: Solve for x
    x = 3,425,868,218.94/67,214.82
  6. Step 6: Final answer
    x = 50,968.94

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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.