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Finding the Fourth Proportional to 17,773.29, 26,659.88 and 7,240.97

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Solution

The fourth proportional to 17,773.29, 26,659.88 and 7,240.97 is: 10,861.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,773.29 : 26,659.88 = 7,240.97 : x
  2. Step 2: Convert to fraction form
    17,773.29/26,659.88 = 7,240.97/x
  3. Step 3: Cross multiply
    17,773.29x = 26,659.88 × 7,240.97
  4. Step 4: Simplify right side
    17,773.29x = 193,043,221.78
  5. Step 5: Solve for x
    x = 193,043,221.78/17,773.29
  6. Step 6: Final answer
    x = 10,861.42

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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.