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Finding the Fourth Proportional to 17,191, 23,732.22 and 16,154.20

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Solution

The fourth proportional to 17,191, 23,732.22 and 16,154.20 is: 22,300.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,191 : 23,732.22 = 16,154.20 : x
  2. Step 2: Convert to fraction form
    17,191/23,732.22 = 16,154.20/x
  3. Step 3: Cross multiply
    17,191x = 23,732.22 × 16,154.20
  4. Step 4: Simplify right side
    17,191x = 383,375,028.32
  5. Step 5: Solve for x
    x = 383,375,028.32/17,191
  6. Step 6: Final answer
    x = 22,300.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.