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Finding the Fourth Proportional to 2,557.97, 3,837.03 and 997.91

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Solution

The fourth proportional to 2,557.97, 3,837.03 and 997.91 is: 1,496.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,557.97 : 3,837.03 = 997.91 : x
  2. Step 2: Convert to fraction form
    2,557.97/3,837.03 = 997.91/x
  3. Step 3: Cross multiply
    2,557.97x = 3,837.03 × 997.91
  4. Step 4: Simplify right side
    2,557.97x = 3,828,986.43
  5. Step 5: Solve for x
    x = 3,828,986.43/2,557.97
  6. Step 6: Final answer
    x = 1,496.89

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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.