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Finding the Fourth Proportional to 6,338.95, 8,729.73 and 6,203.27

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Solution

The fourth proportional to 6,338.95, 8,729.73 and 6,203.27 is: 8,542.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,338.95 : 8,729.73 = 6,203.27 : x
  2. Step 2: Convert to fraction form
    6,338.95/8,729.73 = 6,203.27/x
  3. Step 3: Cross multiply
    6,338.95x = 8,729.73 × 6,203.27
  4. Step 4: Simplify right side
    6,338.95x = 54,152,872.22
  5. Step 5: Solve for x
    x = 54,152,872.22/6,338.95
  6. Step 6: Final answer
    x = 8,542.88

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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.