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Finding the Fourth Proportional to 8,935.89, 12,317.19 and 7,044.33

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Solution

The fourth proportional to 8,935.89, 12,317.19 and 7,044.33 is: 9,709.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,935.89 : 12,317.19 = 7,044.33 : x
  2. Step 2: Convert to fraction form
    8,935.89/12,317.19 = 7,044.33/x
  3. Step 3: Cross multiply
    8,935.89x = 12,317.19 × 7,044.33
  4. Step 4: Simplify right side
    8,935.89x = 86,766,351.03
  5. Step 5: Solve for x
    x = 86,766,351.03/8,935.89
  6. Step 6: Final answer
    x = 9,709.87

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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.