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Finding the Fourth Proportional to 17,144.56, 25,698.12 and 6,744.88

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Solution

The fourth proportional to 17,144.56, 25,698.12 and 6,744.88 is: 10,109.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,144.56 : 25,698.12 = 6,744.88 : x
  2. Step 2: Convert to fraction form
    17,144.56/25,698.12 = 6,744.88/x
  3. Step 3: Cross multiply
    17,144.56x = 25,698.12 × 6,744.88
  4. Step 4: Simplify right side
    17,144.56x = 173,330,735.63
  5. Step 5: Solve for x
    x = 173,330,735.63/17,144.56
  6. Step 6: Final answer
    x = 10,109.96

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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.