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Finding the Fourth Proportional to 8,226.52, 12,339.74 and 2,754.52

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Solution

The fourth proportional to 8,226.52, 12,339.74 and 2,754.52 is: 4,131.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,226.52 : 12,339.74 = 2,754.52 : x
  2. Step 2: Convert to fraction form
    8,226.52/12,339.74 = 2,754.52/x
  3. Step 3: Cross multiply
    8,226.52x = 12,339.74 × 2,754.52
  4. Step 4: Simplify right side
    8,226.52x = 33,990,060.62
  5. Step 5: Solve for x
    x = 33,990,060.62/8,226.52
  6. Step 6: Final answer
    x = 4,131.77

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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.