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Finding the Fourth Proportional to 9,172.92, 13,764.84 and 3,329.97

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Solution

The fourth proportional to 9,172.92, 13,764.84 and 3,329.97 is: 4,996.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,172.92 : 13,764.84 = 3,329.97 : x
  2. Step 2: Convert to fraction form
    9,172.92/13,764.84 = 3,329.97/x
  3. Step 3: Cross multiply
    9,172.92x = 13,764.84 × 3,329.97
  4. Step 4: Simplify right side
    9,172.92x = 45,836,504.25
  5. Step 5: Solve for x
    x = 45,836,504.25/9,172.92
  6. Step 6: Final answer
    x = 4,996.94

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1.5x scale

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.