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Finding the Fourth Proportional to 50,566.32, 69,759.96 and 30,422.96

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Solution

The fourth proportional to 50,566.32, 69,759.96 and 30,422.96 is: 41,970.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,566.32 : 69,759.96 = 30,422.96 : x
  2. Step 2: Convert to fraction form
    50,566.32/69,759.96 = 30,422.96/x
  3. Step 3: Cross multiply
    50,566.32x = 69,759.96 × 30,422.96
  4. Step 4: Simplify right side
    50,566.32x = 2,122,304,472.68
  5. Step 5: Solve for x
    x = 2,122,304,472.68/50,566.32
  6. Step 6: Final answer
    x = 41,970.71

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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.