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Finding the Fourth Proportional to 33,959.16, 50,883.42 and 20,783.88

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Solution

The fourth proportional to 33,959.16, 50,883.42 and 20,783.88 is: 31,141.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,959.16 : 50,883.42 = 20,783.88 : x
  2. Step 2: Convert to fraction form
    33,959.16/50,883.42 = 20,783.88/x
  3. Step 3: Cross multiply
    33,959.16x = 50,883.42 × 20,783.88
  4. Step 4: Simplify right side
    33,959.16x = 1,057,554,895.27
  5. Step 5: Solve for x
    x = 1,057,554,895.27/33,959.16
  6. Step 6: Final answer
    x = 31,141.96

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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.