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Finding the Fourth Proportional to 5,307.66, 7,961.22 and 1,796.31

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Solution

The fourth proportional to 5,307.66, 7,961.22 and 1,796.31 is: 2,694.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,307.66 : 7,961.22 = 1,796.31 : x
  2. Step 2: Convert to fraction form
    5,307.66/7,961.22 = 1,796.31/x
  3. Step 3: Cross multiply
    5,307.66x = 7,961.22 × 1,796.31
  4. Step 4: Simplify right side
    5,307.66x = 14,300,819.10
  5. Step 5: Solve for x
    x = 14,300,819.10/5,307.66
  6. Step 6: Final answer
    x = 2,694.37

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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.