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Finding the Fourth Proportional to 1,795.71, 2,691.96 and 699.33

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Solution

The fourth proportional to 1,795.71, 2,691.96 and 699.33 is: 1,048.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,795.71 : 2,691.96 = 699.33 : x
  2. Step 2: Convert to fraction form
    1,795.71/2,691.96 = 699.33/x
  3. Step 3: Cross multiply
    1,795.71x = 2,691.96 × 699.33
  4. Step 4: Simplify right side
    1,795.71x = 1,882,568.39
  5. Step 5: Solve for x
    x = 1,882,568.39/1,795.71
  6. Step 6: Final answer
    x = 1,048.37

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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.