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Finding the Fourth Proportional to 17,226.80, 25,842.36 and 8,454.32

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Solution

The fourth proportional to 17,226.80, 25,842.36 and 8,454.32 is: 12,682.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,226.80 : 25,842.36 = 8,454.32 : x
  2. Step 2: Convert to fraction form
    17,226.80/25,842.36 = 8,454.32/x
  3. Step 3: Cross multiply
    17,226.80x = 25,842.36 × 8,454.32
  4. Step 4: Simplify right side
    17,226.80x = 218,479,581.00
  5. Step 5: Solve for x
    x = 218,479,581.00/17,226.80
  6. Step 6: Final answer
    x = 12,682.54

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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.