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Finding the Fourth Proportional to 7,204.94, 10,806.60 and 1,940.34

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Solution

The fourth proportional to 7,204.94, 10,806.60 and 1,940.34 is: 2,910.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,204.94 : 10,806.60 = 1,940.34 : x
  2. Step 2: Convert to fraction form
    7,204.94/10,806.60 = 1,940.34/x
  3. Step 3: Cross multiply
    7,204.94x = 10,806.60 × 1,940.34
  4. Step 4: Simplify right side
    7,204.94x = 20,968,466.15
  5. Step 5: Solve for x
    x = 20,968,466.15/7,204.94
  6. Step 6: Final answer
    x = 2,910.29

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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.