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Finding the Fourth Proportional to 33,668.92, 50,486.84 and 19,241.55

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Solution

The fourth proportional to 33,668.92, 50,486.84 and 19,241.55 is: 28,852.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,668.92 : 50,486.84 = 19,241.55 : x
  2. Step 2: Convert to fraction form
    33,668.92/50,486.84 = 19,241.55/x
  3. Step 3: Cross multiply
    33,668.92x = 50,486.84 × 19,241.55
  4. Step 4: Simplify right side
    33,668.92x = 971,445,140.38
  5. Step 5: Solve for x
    x = 971,445,140.38/33,668.92
  6. Step 6: Final answer
    x = 28,852.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.