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Finding the Fourth Proportional to 17,171.68, 25,769.07 and 6,078.34

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Solution

The fourth proportional to 17,171.68, 25,769.07 and 6,078.34 is: 9,121.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,171.68 : 25,769.07 = 6,078.34 : x
  2. Step 2: Convert to fraction form
    17,171.68/25,769.07 = 6,078.34/x
  3. Step 3: Cross multiply
    17,171.68x = 25,769.07 × 6,078.34
  4. Step 4: Simplify right side
    17,171.68x = 156,633,168.94
  5. Step 5: Solve for x
    x = 156,633,168.94/17,171.68
  6. Step 6: Final answer
    x = 9,121.60

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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.