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Finding the Fourth Proportional to 33,995.64, 50,934.78 and 18,424.20

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Solution

The fourth proportional to 33,995.64, 50,934.78 and 18,424.20 is: 27,604.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,995.64 : 50,934.78 = 18,424.20 : x
  2. Step 2: Convert to fraction form
    33,995.64/50,934.78 = 18,424.20/x
  3. Step 3: Cross multiply
    33,995.64x = 50,934.78 × 18,424.20
  4. Step 4: Simplify right side
    33,995.64x = 938,432,573.68
  5. Step 5: Solve for x
    x = 938,432,573.68/33,995.64
  6. Step 6: Final answer
    x = 27,604.50

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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.