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Finding the Fourth Proportional to 1,891.33, 2,836.53 and 795.73

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Solution

The fourth proportional to 1,891.33, 2,836.53 and 795.73 is: 1,193.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891.33 : 2,836.53 = 795.73 : x
  2. Step 2: Convert to fraction form
    1,891.33/2,836.53 = 795.73/x
  3. Step 3: Cross multiply
    1,891.33x = 2,836.53 × 795.73
  4. Step 4: Simplify right side
    1,891.33x = 2,257,112.02
  5. Step 5: Solve for x
    x = 2,257,112.02/1,891.33
  6. Step 6: Final answer
    x = 1,193.40

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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.