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Finding the Fourth Proportional to 33,234.56, 45,863.70 and 18,330.56

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Solution

The fourth proportional to 33,234.56, 45,863.70 and 18,330.56 is: 25,296.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,234.56 : 45,863.70 = 18,330.56 : x
  2. Step 2: Convert to fraction form
    33,234.56/45,863.70 = 18,330.56/x
  3. Step 3: Cross multiply
    33,234.56x = 45,863.70 × 18,330.56
  4. Step 4: Simplify right side
    33,234.56x = 840,707,419.33
  5. Step 5: Solve for x
    x = 840,707,419.33/33,234.56
  6. Step 6: Final answer
    x = 25,296.18

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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.