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Finding the Fourth Proportional to 17,008.12, 25,512.22 and 5,321.36

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Solution

The fourth proportional to 17,008.12, 25,512.22 and 5,321.36 is: 7,982.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,008.12 : 25,512.22 = 5,321.36 : x
  2. Step 2: Convert to fraction form
    17,008.12/25,512.22 = 5,321.36/x
  3. Step 3: Cross multiply
    17,008.12x = 25,512.22 × 5,321.36
  4. Step 4: Simplify right side
    17,008.12x = 135,759,707.02
  5. Step 5: Solve for x
    x = 135,759,707.02/17,008.12
  6. Step 6: Final answer
    x = 7,982.05

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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.