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Finding the Fourth Proportional to 4,509.92, 6,229.72 and 3,629.12

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Solution

The fourth proportional to 4,509.92, 6,229.72 and 3,629.12 is: 5,013.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,509.92 : 6,229.72 = 3,629.12 : x
  2. Step 2: Convert to fraction form
    4,509.92/6,229.72 = 3,629.12/x
  3. Step 3: Cross multiply
    4,509.92x = 6,229.72 × 3,629.12
  4. Step 4: Simplify right side
    4,509.92x = 22,608,401.45
  5. Step 5: Solve for x
    x = 22,608,401.45/4,509.92
  6. Step 6: Final answer
    x = 5,013.04

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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.