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Finding the Fourth Proportional to 17,003.76, 25,508.27 and 8,679.26

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Solution

The fourth proportional to 17,003.76, 25,508.27 and 8,679.26 is: 13,020.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,003.76 : 25,508.27 = 8,679.26 : x
  2. Step 2: Convert to fraction form
    17,003.76/25,508.27 = 8,679.26/x
  3. Step 3: Cross multiply
    17,003.76x = 25,508.27 × 8,679.26
  4. Step 4: Simplify right side
    17,003.76x = 221,392,992.95
  5. Step 5: Solve for x
    x = 221,392,992.95/17,003.76
  6. Step 6: Final answer
    x = 13,020.24

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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.