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Finding the Fourth Proportional to 6,126.31, 8,454.31 and 3,473.72

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Solution

The fourth proportional to 6,126.31, 8,454.31 and 3,473.72 is: 4,793.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,126.31 : 8,454.31 = 3,473.72 : x
  2. Step 2: Convert to fraction form
    6,126.31/8,454.31 = 3,473.72/x
  3. Step 3: Cross multiply
    6,126.31x = 8,454.31 × 3,473.72
  4. Step 4: Simplify right side
    6,126.31x = 29,367,905.73
  5. Step 5: Solve for x
    x = 29,367,905.73/6,126.31
  6. Step 6: Final answer
    x = 4,793.73

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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.