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Finding the Fourth Proportional to 50,129.70, 69,179 and 27,468.51

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Solution

The fourth proportional to 50,129.70, 69,179 and 27,468.51 is: 37,906.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,129.70 : 69,179 = 27,468.51 : x
  2. Step 2: Convert to fraction form
    50,129.70/69,179 = 27,468.51/x
  3. Step 3: Cross multiply
    50,129.70x = 69,179 × 27,468.51
  4. Step 4: Simplify right side
    50,129.70x = 1,900,244,053.29
  5. Step 5: Solve for x
    x = 1,900,244,053.29/50,129.70
  6. Step 6: Final answer
    x = 37,906.55

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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.