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Finding the Fourth Proportional to 2,491.83, 3,738.56 and 1,104.84

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Solution

The fourth proportional to 2,491.83, 3,738.56 and 1,104.84 is: 1,657.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,491.83 : 3,738.56 = 1,104.84 : x
  2. Step 2: Convert to fraction form
    2,491.83/3,738.56 = 1,104.84/x
  3. Step 3: Cross multiply
    2,491.83x = 3,738.56 × 1,104.84
  4. Step 4: Simplify right side
    2,491.83x = 4,130,505.11
  5. Step 5: Solve for x
    x = 4,130,505.11/2,491.83
  6. Step 6: Final answer
    x = 1,657.62

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.