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Finding the Fourth Proportional to 50,347, 69,481.74 and 27,992.44

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Solution

The fourth proportional to 50,347, 69,481.74 and 27,992.44 is: 38,631.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,347 : 69,481.74 = 27,992.44 : x
  2. Step 2: Convert to fraction form
    50,347/69,481.74 = 27,992.44/x
  3. Step 3: Cross multiply
    50,347x = 69,481.74 × 27,992.44
  4. Step 4: Simplify right side
    50,347x = 1,944,963,438.05
  5. Step 5: Solve for x
    x = 1,944,963,438.05/50,347
  6. Step 6: Final answer
    x = 38,631.17

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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.