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Finding the Fourth Proportional to 7,930.92, 11,896.08 and 4,604.08

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Solution

The fourth proportional to 7,930.92, 11,896.08 and 4,604.08 is: 6,905.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,930.92 : 11,896.08 = 4,604.08 : x
  2. Step 2: Convert to fraction form
    7,930.92/11,896.08 = 4,604.08/x
  3. Step 3: Cross multiply
    7,930.92x = 11,896.08 × 4,604.08
  4. Step 4: Simplify right side
    7,930.92x = 54,770,504.01
  5. Step 5: Solve for x
    x = 54,770,504.01/7,930.92
  6. Step 6: Final answer
    x = 6,905.95

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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.