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Finding the Fourth Proportional to 6,383.21, 8,808.48 and 3,550.43

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Solution

The fourth proportional to 6,383.21, 8,808.48 and 3,550.43 is: 4,899.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,383.21 : 8,808.48 = 3,550.43 : x
  2. Step 2: Convert to fraction form
    6,383.21/8,808.48 = 3,550.43/x
  3. Step 3: Cross multiply
    6,383.21x = 8,808.48 × 3,550.43
  4. Step 4: Simplify right side
    6,383.21x = 31,273,913.67
  5. Step 5: Solve for x
    x = 31,273,913.67/6,383.21
  6. Step 6: Final answer
    x = 4,899.41

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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.