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Finding the Fourth Proportional to 3,399.50, 5,099.25 and 934.34

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Solution

The fourth proportional to 3,399.50, 5,099.25 and 934.34 is: 1,401.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,399.50 : 5,099.25 = 934.34 : x
  2. Step 2: Convert to fraction form
    3,399.50/5,099.25 = 934.34/x
  3. Step 3: Cross multiply
    3,399.50x = 5,099.25 × 934.34
  4. Step 4: Simplify right side
    3,399.50x = 4,764,407.75
  5. Step 5: Solve for x
    x = 4,764,407.75/3,399.50
  6. Step 6: Final answer
    x = 1,401.50

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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.