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Finding the Fourth Proportional to 29,480.97, 44,213.66 and 20,119.31

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Solution

The fourth proportional to 29,480.97, 44,213.66 and 20,119.31 is: 30,173.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,480.97 : 44,213.66 = 20,119.31 : x
  2. Step 2: Convert to fraction form
    29,480.97/44,213.66 = 20,119.31/x
  3. Step 3: Cross multiply
    29,480.97x = 44,213.66 × 20,119.31
  4. Step 4: Simplify right side
    29,480.97x = 889,548,331.77
  5. Step 5: Solve for x
    x = 889,548,331.77/29,480.97
  6. Step 6: Final answer
    x = 30,173.65

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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.