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Finding the Fourth Proportional to 15,076.44, 22,635.36 and 7,685.88

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Solution

The fourth proportional to 15,076.44, 22,635.36 and 7,685.88 is: 11,539.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,076.44 : 22,635.36 = 7,685.88 : x
  2. Step 2: Convert to fraction form
    15,076.44/22,635.36 = 7,685.88/x
  3. Step 3: Cross multiply
    15,076.44x = 22,635.36 × 7,685.88
  4. Step 4: Simplify right side
    15,076.44x = 173,972,660.72
  5. Step 5: Solve for x
    x = 173,972,660.72/15,076.44
  6. Step 6: Final answer
    x = 11,539.37

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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.