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Finding the Fourth Proportional to 2,369.98, 3,270.72 and 1,375.48

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Solution

The fourth proportional to 2,369.98, 3,270.72 and 1,375.48 is: 1,898.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,369.98 : 3,270.72 = 1,375.48 : x
  2. Step 2: Convert to fraction form
    2,369.98/3,270.72 = 1,375.48/x
  3. Step 3: Cross multiply
    2,369.98x = 3,270.72 × 1,375.48
  4. Step 4: Simplify right side
    2,369.98x = 4,498,809.95
  5. Step 5: Solve for x
    x = 4,498,809.95/2,369.98
  6. Step 6: Final answer
    x = 1,898.25

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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.