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Finding the Fourth Proportional to 6,144.92, 8,480.04 and 3,492.20

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Solution

The fourth proportional to 6,144.92, 8,480.04 and 3,492.20 is: 4,819.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,144.92 : 8,480.04 = 3,492.20 : x
  2. Step 2: Convert to fraction form
    6,144.92/8,480.04 = 3,492.20/x
  3. Step 3: Cross multiply
    6,144.92x = 8,480.04 × 3,492.20
  4. Step 4: Simplify right side
    6,144.92x = 29,613,995.69
  5. Step 5: Solve for x
    x = 29,613,995.69/6,144.92
  6. Step 6: Final answer
    x = 4,819.26

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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.