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Finding the Fourth Proportional to 17,612.98, 26,410.82 and 8,718.03

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Solution

The fourth proportional to 17,612.98, 26,410.82 and 8,718.03 is: 13,072.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,612.98 : 26,410.82 = 8,718.03 : x
  2. Step 2: Convert to fraction form
    17,612.98/26,410.82 = 8,718.03/x
  3. Step 3: Cross multiply
    17,612.98x = 26,410.82 × 8,718.03
  4. Step 4: Simplify right side
    17,612.98x = 230,250,321.08
  5. Step 5: Solve for x
    x = 230,250,321.08/17,612.98
  6. Step 6: Final answer
    x = 13,072.76

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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.