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Finding the Fourth Proportional to 50,040.76, 69,053.76 and 27,380.20

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Solution

The fourth proportional to 50,040.76, 69,053.76 and 27,380.20 is: 37,783.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,040.76 : 69,053.76 = 27,380.20 : x
  2. Step 2: Convert to fraction form
    50,040.76/69,053.76 = 27,380.20/x
  3. Step 3: Cross multiply
    50,040.76x = 69,053.76 × 27,380.20
  4. Step 4: Simplify right side
    50,040.76x = 1,890,705,759.55
  5. Step 5: Solve for x
    x = 1,890,705,759.55/50,040.76
  6. Step 6: Final answer
    x = 37,783.31

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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.