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Finding the Fourth Proportional to 50,310.98, 69,425.79 and 27,649.48

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Solution

The fourth proportional to 50,310.98, 69,425.79 and 27,649.48 is: 38,154.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,310.98 : 69,425.79 = 27,649.48 : x
  2. Step 2: Convert to fraction form
    50,310.98/69,425.79 = 27,649.48/x
  3. Step 3: Cross multiply
    50,310.98x = 69,425.79 × 27,649.48
  4. Step 4: Simplify right side
    50,310.98x = 1,919,586,992.09
  5. Step 5: Solve for x
    x = 1,919,586,992.09/50,310.98
  6. Step 6: Final answer
    x = 38,154.43

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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.