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Finding the Fourth Proportional to 3,895.98, 5,376.26 and 2,127.26

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Solution

The fourth proportional to 3,895.98, 5,376.26 and 2,127.26 is: 2,935.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,895.98 : 5,376.26 = 2,127.26 : x
  2. Step 2: Convert to fraction form
    3,895.98/5,376.26 = 2,127.26/x
  3. Step 3: Cross multiply
    3,895.98x = 5,376.26 × 2,127.26
  4. Step 4: Simplify right side
    3,895.98x = 11,436,665.33
  5. Step 5: Solve for x
    x = 11,436,665.33/3,895.98
  6. Step 6: Final answer
    x = 2,935.50

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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.