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Finding the Fourth Proportional to 3,328.34, 4,593.34 and 1,912.25

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Solution

The fourth proportional to 3,328.34, 4,593.34 and 1,912.25 is: 2,639.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,328.34 : 4,593.34 = 1,912.25 : x
  2. Step 2: Convert to fraction form
    3,328.34/4,593.34 = 1,912.25/x
  3. Step 3: Cross multiply
    3,328.34x = 4,593.34 × 1,912.25
  4. Step 4: Simplify right side
    3,328.34x = 8,783,604.85
  5. Step 5: Solve for x
    x = 8,783,604.85/3,328.34
  6. Step 6: Final answer
    x = 2,639.04

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1.5x scale

Why These Related Problems?

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