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Finding the Fourth Proportional to 7,796.98, 11,696.98 and 2,866.66

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Solution

The fourth proportional to 7,796.98, 11,696.98 and 2,866.66 is: 4,300.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,796.98 : 11,696.98 = 2,866.66 : x
  2. Step 2: Convert to fraction form
    7,796.98/11,696.98 = 2,866.66/x
  3. Step 3: Cross multiply
    7,796.98x = 11,696.98 × 2,866.66
  4. Step 4: Simplify right side
    7,796.98x = 33,531,264.69
  5. Step 5: Solve for x
    x = 33,531,264.69/7,796.98
  6. Step 6: Final answer
    x = 4,300.55

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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.