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Finding the Fourth Proportional to 9,049.83, 12,489.26 and 5,072.22

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Solution

The fourth proportional to 9,049.83, 12,489.26 and 5,072.22 is: 6,999.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,049.83 : 12,489.26 = 5,072.22 : x
  2. Step 2: Convert to fraction form
    9,049.83/12,489.26 = 5,072.22/x
  3. Step 3: Cross multiply
    9,049.83x = 12,489.26 × 5,072.22
  4. Step 4: Simplify right side
    9,049.83x = 63,348,249.00
  5. Step 5: Solve for x
    x = 63,348,249.00/9,049.83
  6. Step 6: Final answer
    x = 6,999.94

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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.