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Finding the Fourth Proportional to 45,290.43, 67,873.87 and 17,195.44

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Solution

The fourth proportional to 45,290.43, 67,873.87 and 17,195.44 is: 25,769.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,290.43 : 67,873.87 = 17,195.44 : x
  2. Step 2: Convert to fraction form
    45,290.43/67,873.87 = 17,195.44/x
  3. Step 3: Cross multiply
    45,290.43x = 67,873.87 × 17,195.44
  4. Step 4: Simplify right side
    45,290.43x = 1,167,121,059.15
  5. Step 5: Solve for x
    x = 1,167,121,059.15/45,290.43
  6. Step 6: Final answer
    x = 25,769.71

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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.