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Finding the Fourth Proportional to 50,489.28, 69,664.32 and 33,770.88

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Solution

The fourth proportional to 50,489.28, 69,664.32 and 33,770.88 is: 46,596.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,489.28 : 69,664.32 = 33,770.88 : x
  2. Step 2: Convert to fraction form
    50,489.28/69,664.32 = 33,770.88/x
  3. Step 3: Cross multiply
    50,489.28x = 69,664.32 × 33,770.88
  4. Step 4: Simplify right side
    50,489.28x = 2,352,625,391.00
  5. Step 5: Solve for x
    x = 2,352,625,391.00/50,489.28
  6. Step 6: Final answer
    x = 46,596.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.