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Finding the Fourth Proportional to 5,491.76, 8,238.84 and 2,029

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Solution

The fourth proportional to 5,491.76, 8,238.84 and 2,029 is: 3,043.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,491.76 : 8,238.84 = 2,029 : x
  2. Step 2: Convert to fraction form
    5,491.76/8,238.84 = 2,029/x
  3. Step 3: Cross multiply
    5,491.76x = 8,238.84 × 2,029
  4. Step 4: Simplify right side
    5,491.76x = 16,716,606.36
  5. Step 5: Solve for x
    x = 16,716,606.36/5,491.76
  6. Step 6: Final answer
    x = 3,043.94

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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.