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Finding the Fourth Proportional to 33,786.03, 46,620.63 and 18,676.62

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Solution

The fourth proportional to 33,786.03, 46,620.63 and 18,676.62 is: 25,771.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,786.03 : 46,620.63 = 18,676.62 : x
  2. Step 2: Convert to fraction form
    33,786.03/46,620.63 = 18,676.62/x
  3. Step 3: Cross multiply
    33,786.03x = 46,620.63 × 18,676.62
  4. Step 4: Simplify right side
    33,786.03x = 870,715,790.67
  5. Step 5: Solve for x
    x = 870,715,790.67/33,786.03
  6. Step 6: Final answer
    x = 25,771.47

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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.