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Finding the Fourth Proportional to 50,481.59, 69,665.06 and 27,821.39

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Solution

The fourth proportional to 50,481.59, 69,665.06 and 27,821.39 is: 38,393.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,481.59 : 69,665.06 = 27,821.39 : x
  2. Step 2: Convert to fraction form
    50,481.59/69,665.06 = 27,821.39/x
  3. Step 3: Cross multiply
    50,481.59x = 69,665.06 × 27,821.39
  4. Step 4: Simplify right side
    50,481.59x = 1,938,179,047.35
  5. Step 5: Solve for x
    x = 1,938,179,047.35/50,481.59
  6. Step 6: Final answer
    x = 38,393.78

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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.