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Finding the Fourth Proportional to 17,245.13, 25,891.34 and 8,930.88

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Solution

The fourth proportional to 17,245.13, 25,891.34 and 8,930.88 is: 13,408.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,245.13 : 25,891.34 = 8,930.88 : x
  2. Step 2: Convert to fraction form
    17,245.13/25,891.34 = 8,930.88/x
  3. Step 3: Cross multiply
    17,245.13x = 25,891.34 × 8,930.88
  4. Step 4: Simplify right side
    17,245.13x = 231,232,405.92
  5. Step 5: Solve for x
    x = 231,232,405.92/17,245.13
  6. Step 6: Final answer
    x = 13,408.57

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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.