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Finding the Fourth Proportional to 6,873.63, 9,493.34 and 4,631.58

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Solution

The fourth proportional to 6,873.63, 9,493.34 and 4,631.58 is: 6,396.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,873.63 : 9,493.34 = 4,631.58 : x
  2. Step 2: Convert to fraction form
    6,873.63/9,493.34 = 4,631.58/x
  3. Step 3: Cross multiply
    6,873.63x = 9,493.34 × 4,631.58
  4. Step 4: Simplify right side
    6,873.63x = 43,969,163.68
  5. Step 5: Solve for x
    x = 43,969,163.68/6,873.63
  6. Step 6: Final answer
    x = 6,396.79

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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.