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Finding the Fourth Proportional to 17,226.78, 25,837.65 and 8,218.86

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Solution

The fourth proportional to 17,226.78, 25,837.65 and 8,218.86 is: 12,327.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,226.78 : 25,837.65 = 8,218.86 : x
  2. Step 2: Convert to fraction form
    17,226.78/25,837.65 = 8,218.86/x
  3. Step 3: Cross multiply
    17,226.78x = 25,837.65 × 8,218.86
  4. Step 4: Simplify right side
    17,226.78x = 212,356,028.08
  5. Step 5: Solve for x
    x = 212,356,028.08/17,226.78
  6. Step 6: Final answer
    x = 12,327.09

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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.