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Finding the Fourth Proportional to 15,173.73, 22,760.33 and 5,811.21

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Solution

The fourth proportional to 15,173.73, 22,760.33 and 5,811.21 is: 8,716.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,173.73 : 22,760.33 = 5,811.21 : x
  2. Step 2: Convert to fraction form
    15,173.73/22,760.33 = 5,811.21/x
  3. Step 3: Cross multiply
    15,173.73x = 22,760.33 × 5,811.21
  4. Step 4: Simplify right side
    15,173.73x = 132,265,028.24
  5. Step 5: Solve for x
    x = 132,265,028.24/15,173.73
  6. Step 6: Final answer
    x = 8,716.71

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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.