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Finding the Fourth Proportional to 25,181.32, 37,772.82 and 7,651.09

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Solution

The fourth proportional to 25,181.32, 37,772.82 and 7,651.09 is: 11,476.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,181.32 : 37,772.82 = 7,651.09 : x
  2. Step 2: Convert to fraction form
    25,181.32/37,772.82 = 7,651.09/x
  3. Step 3: Cross multiply
    25,181.32x = 37,772.82 × 7,651.09
  4. Step 4: Simplify right side
    25,181.32x = 289,003,245.37
  5. Step 5: Solve for x
    x = 289,003,245.37/25,181.32
  6. Step 6: Final answer
    x = 11,476.89

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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.