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Finding the Fourth Proportional to 19,850.81, 29,757.38 and 7,367.59

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Solution

The fourth proportional to 19,850.81, 29,757.38 and 7,367.59 is: 11,044.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,850.81 : 29,757.38 = 7,367.59 : x
  2. Step 2: Convert to fraction form
    19,850.81/29,757.38 = 7,367.59/x
  3. Step 3: Cross multiply
    19,850.81x = 29,757.38 × 7,367.59
  4. Step 4: Simplify right side
    19,850.81x = 219,240,175.67
  5. Step 5: Solve for x
    x = 219,240,175.67/19,850.81
  6. Step 6: Final answer
    x = 11,044.40

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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.