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Finding the Fourth Proportional to 6,327.12, 8,731.53 and 3,494.46

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Solution

The fourth proportional to 6,327.12, 8,731.53 and 3,494.46 is: 4,822.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,327.12 : 8,731.53 = 3,494.46 : x
  2. Step 2: Convert to fraction form
    6,327.12/8,731.53 = 3,494.46/x
  3. Step 3: Cross multiply
    6,327.12x = 8,731.53 × 3,494.46
  4. Step 4: Simplify right side
    6,327.12x = 30,511,982.32
  5. Step 5: Solve for x
    x = 30,511,982.32/6,327.12
  6. Step 6: Final answer
    x = 4,822.41

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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.