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Finding the Fourth Proportional to 17,021.75, 25,532.62 and 5,335.88

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Solution

The fourth proportional to 17,021.75, 25,532.62 and 5,335.88 is: 8,003.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,021.75 : 25,532.62 = 5,335.88 : x
  2. Step 2: Convert to fraction form
    17,021.75/25,532.62 = 5,335.88/x
  3. Step 3: Cross multiply
    17,021.75x = 25,532.62 × 5,335.88
  4. Step 4: Simplify right side
    17,021.75x = 136,238,855.40
  5. Step 5: Solve for x
    x = 136,238,855.40/17,021.75
  6. Step 6: Final answer
    x = 8,003.81

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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.