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Finding the Fourth Proportional to 33,429.51, 50,110.52 and 20,958.30

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Solution

The fourth proportional to 33,429.51, 50,110.52 and 20,958.30 is: 31,416.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,429.51 : 50,110.52 = 20,958.30 : x
  2. Step 2: Convert to fraction form
    33,429.51/50,110.52 = 20,958.30/x
  3. Step 3: Cross multiply
    33,429.51x = 50,110.52 × 20,958.30
  4. Step 4: Simplify right side
    33,429.51x = 1,050,231,206.52
  5. Step 5: Solve for x
    x = 1,050,231,206.52/33,429.51
  6. Step 6: Final answer
    x = 31,416.29

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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.