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Finding the Fourth Proportional to 7,866.44, 11,796.78 and 2,600.48

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Solution

The fourth proportional to 7,866.44, 11,796.78 and 2,600.48 is: 3,899.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,866.44 : 11,796.78 = 2,600.48 : x
  2. Step 2: Convert to fraction form
    7,866.44/11,796.78 = 2,600.48/x
  3. Step 3: Cross multiply
    7,866.44x = 11,796.78 × 2,600.48
  4. Step 4: Simplify right side
    7,866.44x = 30,677,290.45
  5. Step 5: Solve for x
    x = 30,677,290.45/7,866.44
  6. Step 6: Final answer
    x = 3,899.77

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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.