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Finding the Fourth Proportional to 33,919, 46,809.68 and 19,015

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Solution

The fourth proportional to 33,919, 46,809.68 and 19,015 is: 26,241.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,919 : 46,809.68 = 19,015 : x
  2. Step 2: Convert to fraction form
    33,919/46,809.68 = 19,015/x
  3. Step 3: Cross multiply
    33,919x = 46,809.68 × 19,015
  4. Step 4: Simplify right side
    33,919x = 890,086,065.20
  5. Step 5: Solve for x
    x = 890,086,065.20/33,919
  6. Step 6: Final answer
    x = 26,241.52

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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.