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Finding the Fourth Proportional to 2,749.86, 3,794.76 and 1,554.83

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Solution

The fourth proportional to 2,749.86, 3,794.76 and 1,554.83 is: 2,145.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,749.86 : 3,794.76 = 1,554.83 : x
  2. Step 2: Convert to fraction form
    2,749.86/3,794.76 = 1,554.83/x
  3. Step 3: Cross multiply
    2,749.86x = 3,794.76 × 1,554.83
  4. Step 4: Simplify right side
    2,749.86x = 5,900,187.72
  5. Step 5: Solve for x
    x = 5,900,187.72/2,749.86
  6. Step 6: Final answer
    x = 2,145.63

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