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Finding the Fourth Proportional to 33,213.46, 45,834.57 and 18,309.46

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Solution

The fourth proportional to 33,213.46, 45,834.57 and 18,309.46 is: 25,267.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,213.46 : 45,834.57 = 18,309.46 : x
  2. Step 2: Convert to fraction form
    33,213.46/45,834.57 = 18,309.46/x
  3. Step 3: Cross multiply
    33,213.46x = 45,834.57 × 18,309.46
  4. Step 4: Simplify right side
    33,213.46x = 839,206,226.03
  5. Step 5: Solve for x
    x = 839,206,226.03/33,213.46
  6. Step 6: Final answer
    x = 25,267.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.