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Finding the Fourth Proportional to 2,745.91, 3,788.34 and 1,750.96

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Solution

The fourth proportional to 2,745.91, 3,788.34 and 1,750.96 is: 2,415.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,745.91 : 3,788.34 = 1,750.96 : x
  2. Step 2: Convert to fraction form
    2,745.91/3,788.34 = 1,750.96/x
  3. Step 3: Cross multiply
    2,745.91x = 3,788.34 × 1,750.96
  4. Step 4: Simplify right side
    2,745.91x = 6,633,231.81
  5. Step 5: Solve for x
    x = 6,633,231.81/2,745.91
  6. Step 6: Final answer
    x = 2,415.68

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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.