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Finding the Fourth Proportional to 30,185.30, 41,653.71 and 16,755.89

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Solution

The fourth proportional to 30,185.30, 41,653.71 and 16,755.89 is: 23,122.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,185.30 : 41,653.71 = 16,755.89 : x
  2. Step 2: Convert to fraction form
    30,185.30/41,653.71 = 16,755.89/x
  3. Step 3: Cross multiply
    30,185.30x = 41,653.71 × 16,755.89
  4. Step 4: Simplify right side
    30,185.30x = 697,944,982.85
  5. Step 5: Solve for x
    x = 697,944,982.85/30,185.30
  6. Step 6: Final answer
    x = 23,122.02

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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.