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Finding the Fourth Proportional to 33,910.50, 46,796.49 and 20,662.50

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Solution

The fourth proportional to 33,910.50, 46,796.49 and 20,662.50 is: 28,514.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,910.50 : 46,796.49 = 20,662.50 : x
  2. Step 2: Convert to fraction form
    33,910.50/46,796.49 = 20,662.50/x
  3. Step 3: Cross multiply
    33,910.50x = 46,796.49 × 20,662.50
  4. Step 4: Simplify right side
    33,910.50x = 966,932,474.63
  5. Step 5: Solve for x
    x = 966,932,474.63/33,910.50
  6. Step 6: Final answer
    x = 28,514.25

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1.5x scale

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.