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Finding the Fourth Proportional to 22,482.12, 33,723.76 and 7,690.94

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Solution

The fourth proportional to 22,482.12, 33,723.76 and 7,690.94 is: 11,536.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,482.12 : 33,723.76 = 7,690.94 : x
  2. Step 2: Convert to fraction form
    22,482.12/33,723.76 = 7,690.94/x
  3. Step 3: Cross multiply
    22,482.12x = 33,723.76 × 7,690.94
  4. Step 4: Simplify right side
    22,482.12x = 259,367,414.73
  5. Step 5: Solve for x
    x = 259,367,414.73/22,482.12
  6. Step 6: Final answer
    x = 11,536.61

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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.