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Finding the Fourth Proportional to 50,339.97, 69,469.43 and 27,680.43

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Solution

The fourth proportional to 50,339.97, 69,469.43 and 27,680.43 is: 38,199.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,339.97 : 69,469.43 = 27,680.43 : x
  2. Step 2: Convert to fraction form
    50,339.97/69,469.43 = 27,680.43/x
  3. Step 3: Cross multiply
    50,339.97x = 69,469.43 × 27,680.43
  4. Step 4: Simplify right side
    50,339.97x = 1,922,943,208.51
  5. Step 5: Solve for x
    x = 1,922,943,208.51/50,339.97
  6. Step 6: Final answer
    x = 38,199.13

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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.