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Finding the Fourth Proportional to 18,433.89, 27,650.88 and 6,740.73

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Solution

The fourth proportional to 18,433.89, 27,650.88 and 6,740.73 is: 10,111.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,433.89 : 27,650.88 = 6,740.73 : x
  2. Step 2: Convert to fraction form
    18,433.89/27,650.88 = 6,740.73/x
  3. Step 3: Cross multiply
    18,433.89x = 27,650.88 × 6,740.73
  4. Step 4: Simplify right side
    18,433.89x = 186,387,116.34
  5. Step 5: Solve for x
    x = 186,387,116.34/18,433.89
  6. Step 6: Final answer
    x = 10,111.11

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.