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Finding the Fourth Proportional to 53,661.43, 74,049.07 and 29,786.23

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Solution

The fourth proportional to 53,661.43, 74,049.07 and 29,786.23 is: 41,102.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,661.43 : 74,049.07 = 29,786.23 : x
  2. Step 2: Convert to fraction form
    53,661.43/74,049.07 = 29,786.23/x
  3. Step 3: Cross multiply
    53,661.43x = 74,049.07 × 29,786.23
  4. Step 4: Simplify right side
    53,661.43x = 2,205,642,630.31
  5. Step 5: Solve for x
    x = 2,205,642,630.31/53,661.43
  6. Step 6: Final answer
    x = 41,102.94

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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.