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Finding the Fourth Proportional to 1,795.73, 2,689.86 and 1,179.73

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Solution

The fourth proportional to 1,795.73, 2,689.86 and 1,179.73 is: 1,767.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,795.73 : 2,689.86 = 1,179.73 : x
  2. Step 2: Convert to fraction form
    1,795.73/2,689.86 = 1,179.73/x
  3. Step 3: Cross multiply
    1,795.73x = 2,689.86 × 1,179.73
  4. Step 4: Simplify right side
    1,795.73x = 3,173,295.09
  5. Step 5: Solve for x
    x = 3,173,295.09/1,795.73
  6. Step 6: Final answer
    x = 1,767.13

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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.