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Finding the Fourth Proportional to 33,991.10, 50,986.65 and 33,991.10

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Solution

The fourth proportional to 33,991.10, 50,986.65 and 33,991.10 is: 50,986.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,991.10 : 50,986.65 = 33,991.10 : x
  2. Step 2: Convert to fraction form
    33,991.10/50,986.65 = 33,991.10/x
  3. Step 3: Cross multiply
    33,991.10x = 50,986.65 × 33,991.10
  4. Step 4: Simplify right side
    33,991.10x = 1,733,092,318.82
  5. Step 5: Solve for x
    x = 1,733,092,318.82/33,991.10
  6. Step 6: Final answer
    x = 50,986.65

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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.