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Finding the Fourth Proportional to 7,795.56, 11,698.49 and 2,865.26

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Solution

The fourth proportional to 7,795.56, 11,698.49 and 2,865.26 is: 4,299.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,795.56 : 11,698.49 = 2,865.26 : x
  2. Step 2: Convert to fraction form
    7,795.56/11,698.49 = 2,865.26/x
  3. Step 3: Cross multiply
    7,795.56x = 11,698.49 × 2,865.26
  4. Step 4: Simplify right side
    7,795.56x = 33,519,142.64
  5. Step 5: Solve for x
    x = 33,519,142.64/7,795.56
  6. Step 6: Final answer
    x = 4,299.77

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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.