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Finding the Fourth Proportional to 50,340.61, 69,468.24 and 27,679.42

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Solution

The fourth proportional to 50,340.61, 69,468.24 and 27,679.42 is: 38,196.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,340.61 : 69,468.24 = 27,679.42 : x
  2. Step 2: Convert to fraction form
    50,340.61/69,468.24 = 27,679.42/x
  3. Step 3: Cross multiply
    50,340.61x = 69,468.24 × 27,679.42
  4. Step 4: Simplify right side
    50,340.61x = 1,922,840,591.62
  5. Step 5: Solve for x
    x = 1,922,840,591.62/50,340.61
  6. Step 6: Final answer
    x = 38,196.61

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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.