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Finding the Fourth Proportional to 33,241, 50,090.84 and 30,120.88

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Solution

The fourth proportional to 33,241, 50,090.84 and 30,120.88 is: 45,389.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,241 : 50,090.84 = 30,120.88 : x
  2. Step 2: Convert to fraction form
    33,241/50,090.84 = 30,120.88/x
  3. Step 3: Cross multiply
    33,241x = 50,090.84 × 30,120.88
  4. Step 4: Simplify right side
    33,241x = 1,508,780,180.74
  5. Step 5: Solve for x
    x = 1,508,780,180.74/33,241
  6. Step 6: Final answer
    x = 45,389.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.