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Finding the Fourth Proportional to 17,601.96, 26,404.20 and 5,122.11

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Solution

The fourth proportional to 17,601.96, 26,404.20 and 5,122.11 is: 7,683.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,601.96 : 26,404.20 = 5,122.11 : x
  2. Step 2: Convert to fraction form
    17,601.96/26,404.20 = 5,122.11/x
  3. Step 3: Cross multiply
    17,601.96x = 26,404.20 × 5,122.11
  4. Step 4: Simplify right side
    17,601.96x = 135,245,216.86
  5. Step 5: Solve for x
    x = 135,245,216.86/17,601.96
  6. Step 6: Final answer
    x = 7,683.53

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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.