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Finding the Fourth Proportional to 73,296.50, 109,931.99 and 33,850.31

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Solution

The fourth proportional to 73,296.50, 109,931.99 and 33,850.31 is: 50,769.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,296.50 : 109,931.99 = 33,850.31 : x
  2. Step 2: Convert to fraction form
    73,296.50/109,931.99 = 33,850.31/x
  3. Step 3: Cross multiply
    73,296.50x = 109,931.99 × 33,850.31
  4. Step 4: Simplify right side
    73,296.50x = 3,721,231,221.51
  5. Step 5: Solve for x
    x = 3,721,231,221.51/73,296.50
  6. Step 6: Final answer
    x = 50,769.57

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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.