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Finding the Fourth Proportional to 7,476.89, 11,222.24 and 3,781.71

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Solution

The fourth proportional to 7,476.89, 11,222.24 and 3,781.71 is: 5,676.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,476.89 : 11,222.24 = 3,781.71 : x
  2. Step 2: Convert to fraction form
    7,476.89/11,222.24 = 3,781.71/x
  3. Step 3: Cross multiply
    7,476.89x = 11,222.24 × 3,781.71
  4. Step 4: Simplify right side
    7,476.89x = 42,439,238.32
  5. Step 5: Solve for x
    x = 42,439,238.32/7,476.89
  6. Step 6: Final answer
    x = 5,676.06

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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.