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Finding the Fourth Proportional to 27,671.94, 38,185.97 and 15,733.96

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Solution

The fourth proportional to 27,671.94, 38,185.97 and 15,733.96 is: 21,712.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,671.94 : 38,185.97 = 15,733.96 : x
  2. Step 2: Convert to fraction form
    27,671.94/38,185.97 = 15,733.96/x
  3. Step 3: Cross multiply
    27,671.94x = 38,185.97 × 15,733.96
  4. Step 4: Simplify right side
    27,671.94x = 600,816,350.41
  5. Step 5: Solve for x
    x = 600,816,350.41/27,671.94
  6. Step 6: Final answer
    x = 21,712.12

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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.