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Finding the Fourth Proportional to 6,244.90, 8,628.09 and 6,183.46

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Solution

The fourth proportional to 6,244.90, 8,628.09 and 6,183.46 is: 8,543.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,244.90 : 8,628.09 = 6,183.46 : x
  2. Step 2: Convert to fraction form
    6,244.90/8,628.09 = 6,183.46/x
  3. Step 3: Cross multiply
    6,244.90x = 8,628.09 × 6,183.46
  4. Step 4: Simplify right side
    6,244.90x = 53,351,449.39
  5. Step 5: Solve for x
    x = 53,351,449.39/6,244.90
  6. Step 6: Final answer
    x = 8,543.20

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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.