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Finding the Fourth Proportional to 22,653.54, 33,992.49 and 13,311.78

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Solution

The fourth proportional to 22,653.54, 33,992.49 and 13,311.78 is: 19,974.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,653.54 : 33,992.49 = 13,311.78 : x
  2. Step 2: Convert to fraction form
    22,653.54/33,992.49 = 13,311.78/x
  3. Step 3: Cross multiply
    22,653.54x = 33,992.49 × 13,311.78
  4. Step 4: Simplify right side
    22,653.54x = 452,500,548.53
  5. Step 5: Solve for x
    x = 452,500,548.53/22,653.54
  6. Step 6: Final answer
    x = 19,974.83

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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.