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Finding the Fourth Proportional to 6,338.70, 8,729.39 and 6,203.02

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Solution

The fourth proportional to 6,338.70, 8,729.39 and 6,203.02 is: 8,542.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,338.70 : 8,729.39 = 6,203.02 : x
  2. Step 2: Convert to fraction form
    6,338.70/8,729.39 = 6,203.02/x
  3. Step 3: Cross multiply
    6,338.70x = 8,729.39 × 6,203.02
  4. Step 4: Simplify right side
    6,338.70x = 54,148,580.76
  5. Step 5: Solve for x
    x = 54,148,580.76/6,338.70
  6. Step 6: Final answer
    x = 8,542.54

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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.