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Finding the Fourth Proportional to 2,750.86, 3,796.16 and 1,491.89

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Solution

The fourth proportional to 2,750.86, 3,796.16 and 1,491.89 is: 2,058.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,750.86 : 3,796.16 = 1,491.89 : x
  2. Step 2: Convert to fraction form
    2,750.86/3,796.16 = 1,491.89/x
  3. Step 3: Cross multiply
    2,750.86x = 3,796.16 × 1,491.89
  4. Step 4: Simplify right side
    2,750.86x = 5,663,437.89
  5. Step 5: Solve for x
    x = 5,663,437.89/2,750.86
  6. Step 6: Final answer
    x = 2,058.79

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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.