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Finding the Fourth Proportional to 33,230.38, 45,857.92 and 18,326.38

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Solution

The fourth proportional to 33,230.38, 45,857.92 and 18,326.38 is: 25,290.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,230.38 : 45,857.92 = 18,326.38 : x
  2. Step 2: Convert to fraction form
    33,230.38/45,857.92 = 18,326.38/x
  3. Step 3: Cross multiply
    33,230.38x = 45,857.92 × 18,326.38
  4. Step 4: Simplify right side
    33,230.38x = 840,409,438.64
  5. Step 5: Solve for x
    x = 840,409,438.64/33,230.38
  6. Step 6: Final answer
    x = 25,290.40

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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.