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Finding the Fourth Proportional to 2,379.98, 3,283.88 and 1,484.12

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Solution

The fourth proportional to 2,379.98, 3,283.88 and 1,484.12 is: 2,047.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,379.98 : 3,283.88 = 1,484.12 : x
  2. Step 2: Convert to fraction form
    2,379.98/3,283.88 = 1,484.12/x
  3. Step 3: Cross multiply
    2,379.98x = 3,283.88 × 1,484.12
  4. Step 4: Simplify right side
    2,379.98x = 4,873,671.99
  5. Step 5: Solve for x
    x = 4,873,671.99/2,379.98
  6. Step 6: Final answer
    x = 2,047.78

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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.