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Finding the Fourth Proportional to 50,487.68, 69,672.69 and 27,517.48

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Solution

The fourth proportional to 50,487.68, 69,672.69 and 27,517.48 is: 37,973.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,487.68 : 69,672.69 = 27,517.48 : x
  2. Step 2: Convert to fraction form
    50,487.68/69,672.69 = 27,517.48/x
  3. Step 3: Cross multiply
    50,487.68x = 69,672.69 × 27,517.48
  4. Step 4: Simplify right side
    50,487.68x = 1,917,216,679.44
  5. Step 5: Solve for x
    x = 1,917,216,679.44/50,487.68
  6. Step 6: Final answer
    x = 37,973.95

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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.