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Finding the Fourth Proportional to 6,383.62, 9,579.80 and 2,223.63

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Solution

The fourth proportional to 6,383.62, 9,579.80 and 2,223.63 is: 3,336.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,383.62 : 9,579.80 = 2,223.63 : x
  2. Step 2: Convert to fraction form
    6,383.62/9,579.80 = 2,223.63/x
  3. Step 3: Cross multiply
    6,383.62x = 9,579.80 × 2,223.63
  4. Step 4: Simplify right side
    6,383.62x = 21,301,936.23
  5. Step 5: Solve for x
    x = 21,301,936.23/6,383.62
  6. Step 6: Final answer
    x = 3,336.97

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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.