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Finding the Fourth Proportional to 18,349.96, 27,537.90 and 7,257.02

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Solution

The fourth proportional to 18,349.96, 27,537.90 and 7,257.02 is: 10,890.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,349.96 : 27,537.90 = 7,257.02 : x
  2. Step 2: Convert to fraction form
    18,349.96/27,537.90 = 7,257.02/x
  3. Step 3: Cross multiply
    18,349.96x = 27,537.90 × 7,257.02
  4. Step 4: Simplify right side
    18,349.96x = 199,843,091.06
  5. Step 5: Solve for x
    x = 199,843,091.06/18,349.96
  6. Step 6: Final answer
    x = 10,890.66

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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.