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Finding the Fourth Proportional to 50,512.51, 69,737.13 and 44,908

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Solution

The fourth proportional to 50,512.51, 69,737.13 and 44,908 is: 61,999.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,512.51 : 69,737.13 = 44,908 : x
  2. Step 2: Convert to fraction form
    50,512.51/69,737.13 = 44,908/x
  3. Step 3: Cross multiply
    50,512.51x = 69,737.13 × 44,908
  4. Step 4: Simplify right side
    50,512.51x = 3,131,755,034.04
  5. Step 5: Solve for x
    x = 3,131,755,034.04/50,512.51
  6. Step 6: Final answer
    x = 61,999.59

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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.