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Finding the Fourth Proportional to 18,604.28, 27,873.92 and 15,504.21

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Solution

The fourth proportional to 18,604.28, 27,873.92 and 15,504.21 is: 23,229.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,604.28 : 27,873.92 = 15,504.21 : x
  2. Step 2: Convert to fraction form
    18,604.28/27,873.92 = 15,504.21/x
  3. Step 3: Cross multiply
    18,604.28x = 27,873.92 × 15,504.21
  4. Step 4: Simplify right side
    18,604.28x = 432,163,147.96
  5. Step 5: Solve for x
    x = 432,163,147.96/18,604.28
  6. Step 6: Final answer
    x = 23,229.23

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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.