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Finding the Fourth Proportional to 11,576.62, 15,967.58 and 7,102.54

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Solution

The fourth proportional to 11,576.62, 15,967.58 and 7,102.54 is: 9,796.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,576.62 : 15,967.58 = 7,102.54 : x
  2. Step 2: Convert to fraction form
    11,576.62/15,967.58 = 7,102.54/x
  3. Step 3: Cross multiply
    11,576.62x = 15,967.58 × 7,102.54
  4. Step 4: Simplify right side
    11,576.62x = 113,410,375.65
  5. Step 5: Solve for x
    x = 113,410,375.65/11,576.62
  6. Step 6: Final answer
    x = 9,796.50

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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.