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Finding the Fourth Proportional to 50,992.68, 70,395.48 and 31,883.07

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Solution

The fourth proportional to 50,992.68, 70,395.48 and 31,883.07 is: 44,014.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,992.68 : 70,395.48 = 31,883.07 : x
  2. Step 2: Convert to fraction form
    50,992.68/70,395.48 = 31,883.07/x
  3. Step 3: Cross multiply
    50,992.68x = 70,395.48 × 31,883.07
  4. Step 4: Simplify right side
    50,992.68x = 2,244,424,016.52
  5. Step 5: Solve for x
    x = 2,244,424,016.52/50,992.68
  6. Step 6: Final answer
    x = 44,014.63

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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.