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Finding the Fourth Proportional to 7,243.72, 10,866.44 and 2,562.77

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Solution

The fourth proportional to 7,243.72, 10,866.44 and 2,562.77 is: 3,844.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,243.72 : 10,866.44 = 2,562.77 : x
  2. Step 2: Convert to fraction form
    7,243.72/10,866.44 = 2,562.77/x
  3. Step 3: Cross multiply
    7,243.72x = 10,866.44 × 2,562.77
  4. Step 4: Simplify right side
    7,243.72x = 27,848,186.44
  5. Step 5: Solve for x
    x = 27,848,186.44/7,243.72
  6. Step 6: Final answer
    x = 3,844.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.