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Finding the Fourth Proportional to 17,104.97, 25,657.49 and 5,418.16

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Solution

The fourth proportional to 17,104.97, 25,657.49 and 5,418.16 is: 8,127.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,104.97 : 25,657.49 = 5,418.16 : x
  2. Step 2: Convert to fraction form
    17,104.97/25,657.49 = 5,418.16/x
  3. Step 3: Cross multiply
    17,104.97x = 25,657.49 × 5,418.16
  4. Step 4: Simplify right side
    17,104.97x = 139,016,335.42
  5. Step 5: Solve for x
    x = 139,016,335.42/17,104.97
  6. Step 6: Final answer
    x = 8,127.25

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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.