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Finding the Fourth Proportional to 49,409.88, 68,195.31 and 38,633.46

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Solution

The fourth proportional to 49,409.88, 68,195.31 and 38,633.46 is: 53,321.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,409.88 : 68,195.31 = 38,633.46 : x
  2. Step 2: Convert to fraction form
    49,409.88/68,195.31 = 38,633.46/x
  3. Step 3: Cross multiply
    49,409.88x = 68,195.31 × 38,633.46
  4. Step 4: Simplify right side
    49,409.88x = 2,634,620,781.07
  5. Step 5: Solve for x
    x = 2,634,620,781.07/49,409.88
  6. Step 6: Final answer
    x = 53,321.74

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.