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Finding the Fourth Proportional to 6,954.82, 9,596.56 and 3,929.88

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Solution

The fourth proportional to 6,954.82, 9,596.56 and 3,929.88 is: 5,422.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,954.82 : 9,596.56 = 3,929.88 : x
  2. Step 2: Convert to fraction form
    6,954.82/9,596.56 = 3,929.88/x
  3. Step 3: Cross multiply
    6,954.82x = 9,596.56 × 3,929.88
  4. Step 4: Simplify right side
    6,954.82x = 37,713,329.21
  5. Step 5: Solve for x
    x = 37,713,329.21/6,954.82
  6. Step 6: Final answer
    x = 5,422.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.