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Finding the Fourth Proportional to 7,924.49, 11,888.90 and 3,306.41

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Solution

The fourth proportional to 7,924.49, 11,888.90 and 3,306.41 is: 4,960.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,924.49 : 11,888.90 = 3,306.41 : x
  2. Step 2: Convert to fraction form
    7,924.49/11,888.90 = 3,306.41/x
  3. Step 3: Cross multiply
    7,924.49x = 11,888.90 × 3,306.41
  4. Step 4: Simplify right side
    7,924.49x = 39,309,577.85
  5. Step 5: Solve for x
    x = 39,309,577.85/7,924.49
  6. Step 6: Final answer
    x = 4,960.52

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.