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Finding the Fourth Proportional to 17,092.24, 25,636.20 and 5,405.20

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Solution

The fourth proportional to 17,092.24, 25,636.20 and 5,405.20 is: 8,107.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,092.24 : 25,636.20 = 5,405.20 : x
  2. Step 2: Convert to fraction form
    17,092.24/25,636.20 = 5,405.20/x
  3. Step 3: Cross multiply
    17,092.24x = 25,636.20 × 5,405.20
  4. Step 4: Simplify right side
    17,092.24x = 138,568,788.24
  5. Step 5: Solve for x
    x = 138,568,788.24/17,092.24
  6. Step 6: Final answer
    x = 8,107.12

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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.