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Finding the Fourth Proportional to 33,919.89, 46,809.42 and 19,015.89

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Solution

The fourth proportional to 33,919.89, 46,809.42 and 19,015.89 is: 26,241.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,919.89 : 46,809.42 = 19,015.89 : x
  2. Step 2: Convert to fraction form
    33,919.89/46,809.42 = 19,015.89/x
  3. Step 3: Cross multiply
    33,919.89x = 46,809.42 × 19,015.89
  4. Step 4: Simplify right side
    33,919.89x = 890,122,781.68
  5. Step 5: Solve for x
    x = 890,122,781.68/33,919.89
  6. Step 6: Final answer
    x = 26,241.91

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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.