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Finding the Fourth Proportional to 8,346.34, 11,517.78 and 4,809.34

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Solution

The fourth proportional to 8,346.34, 11,517.78 and 4,809.34 is: 6,636.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,346.34 : 11,517.78 = 4,809.34 : x
  2. Step 2: Convert to fraction form
    8,346.34/11,517.78 = 4,809.34/x
  3. Step 3: Cross multiply
    8,346.34x = 11,517.78 × 4,809.34
  4. Step 4: Simplify right side
    8,346.34x = 55,392,920.07
  5. Step 5: Solve for x
    x = 55,392,920.07/8,346.34
  6. Step 6: Final answer
    x = 6,636.79

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