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Finding the Fourth Proportional to 33,620.44, 46,389.18 and 19,472.44

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Solution

The fourth proportional to 33,620.44, 46,389.18 and 19,472.44 is: 26,867.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,620.44 : 46,389.18 = 19,472.44 : x
  2. Step 2: Convert to fraction form
    33,620.44/46,389.18 = 19,472.44/x
  3. Step 3: Cross multiply
    33,620.44x = 46,389.18 × 19,472.44
  4. Step 4: Simplify right side
    33,620.44x = 903,310,524.20
  5. Step 5: Solve for x
    x = 903,310,524.20/33,620.44
  6. Step 6: Final answer
    x = 26,867.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.