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Finding the Fourth Proportional to 7,633.73, 11,398.61 and 6,736.79

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Solution

The fourth proportional to 7,633.73, 11,398.61 and 6,736.79 is: 10,059.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,633.73 : 11,398.61 = 6,736.79 : x
  2. Step 2: Convert to fraction form
    7,633.73/11,398.61 = 6,736.79/x
  3. Step 3: Cross multiply
    7,633.73x = 11,398.61 × 6,736.79
  4. Step 4: Simplify right side
    7,633.73x = 76,790,087.20
  5. Step 5: Solve for x
    x = 76,790,087.20/7,633.73
  6. Step 6: Final answer
    x = 10,059.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.