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Finding the Fourth Proportional to 3,520.92, 4,865.28 and 3,350.10

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Solution

The fourth proportional to 3,520.92, 4,865.28 and 3,350.10 is: 4,629.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520.92 : 4,865.28 = 3,350.10 : x
  2. Step 2: Convert to fraction form
    3,520.92/4,865.28 = 3,350.10/x
  3. Step 3: Cross multiply
    3,520.92x = 4,865.28 × 3,350.10
  4. Step 4: Simplify right side
    3,520.92x = 16,299,174.53
  5. Step 5: Solve for x
    x = 16,299,174.53/3,520.92
  6. Step 6: Final answer
    x = 4,629.24

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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.