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Finding the Fourth Proportional to 2,676.93, 3,693.25 and 1,556.95

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Solution

The fourth proportional to 2,676.93, 3,693.25 and 1,556.95 is: 2,148.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,676.93 : 3,693.25 = 1,556.95 : x
  2. Step 2: Convert to fraction form
    2,676.93/3,693.25 = 1,556.95/x
  3. Step 3: Cross multiply
    2,676.93x = 3,693.25 × 1,556.95
  4. Step 4: Simplify right side
    2,676.93x = 5,750,205.59
  5. Step 5: Solve for x
    x = 5,750,205.59/2,676.93
  6. Step 6: Final answer
    x = 2,148.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.