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Finding the Fourth Proportional to 11,882.47, 17,723.21 and 11,197.21

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Solution

The fourth proportional to 11,882.47, 17,723.21 and 11,197.21 is: 16,701.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,882.47 : 17,723.21 = 11,197.21 : x
  2. Step 2: Convert to fraction form
    11,882.47/17,723.21 = 11,197.21/x
  3. Step 3: Cross multiply
    11,882.47x = 17,723.21 × 11,197.21
  4. Step 4: Simplify right side
    11,882.47x = 198,450,504.24
  5. Step 5: Solve for x
    x = 198,450,504.24/11,882.47
  6. Step 6: Final answer
    x = 16,701.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.