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Finding the Fourth Proportional to 27,796.34, 41,694.44 and 21,480.42

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Solution

The fourth proportional to 27,796.34, 41,694.44 and 21,480.42 is: 32,220.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,796.34 : 41,694.44 = 21,480.42 : x
  2. Step 2: Convert to fraction form
    27,796.34/41,694.44 = 21,480.42/x
  3. Step 3: Cross multiply
    27,796.34x = 41,694.44 × 21,480.42
  4. Step 4: Simplify right side
    27,796.34x = 895,614,082.86
  5. Step 5: Solve for x
    x = 895,614,082.86/27,796.34
  6. Step 6: Final answer
    x = 32,220.58

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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.