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Finding the Fourth Proportional to 50,620.44, 69,856.71 and 27,960

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Solution

The fourth proportional to 50,620.44, 69,856.71 and 27,960 is: 38,585.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,620.44 : 69,856.71 = 27,960 : x
  2. Step 2: Convert to fraction form
    50,620.44/69,856.71 = 27,960/x
  3. Step 3: Cross multiply
    50,620.44x = 69,856.71 × 27,960
  4. Step 4: Simplify right side
    50,620.44x = 1,953,193,611.60
  5. Step 5: Solve for x
    x = 1,953,193,611.60/50,620.44
  6. Step 6: Final answer
    x = 38,585.08

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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.