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Finding the Fourth Proportional to 1,795.73, 2,693.66 and 641.48

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Solution

The fourth proportional to 1,795.73, 2,693.66 and 641.48 is: 962.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,795.73 : 2,693.66 = 641.48 : x
  2. Step 2: Convert to fraction form
    1,795.73/2,693.66 = 641.48/x
  3. Step 3: Cross multiply
    1,795.73x = 2,693.66 × 641.48
  4. Step 4: Simplify right side
    1,795.73x = 1,727,912.34
  5. Step 5: Solve for x
    x = 1,727,912.34/1,795.73
  6. Step 6: Final answer
    x = 962.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.