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Finding the Fourth Proportional to 1,997.52, 2,753.10 and 1,333.32

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Solution

The fourth proportional to 1,997.52, 2,753.10 and 1,333.32 is: 1,837.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,997.52 : 2,753.10 = 1,333.32 : x
  2. Step 2: Convert to fraction form
    1,997.52/2,753.10 = 1,333.32/x
  3. Step 3: Cross multiply
    1,997.52x = 2,753.10 × 1,333.32
  4. Step 4: Simplify right side
    1,997.52x = 3,670,763.29
  5. Step 5: Solve for x
    x = 3,670,763.29/1,997.52
  6. Step 6: Final answer
    x = 1,837.66

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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.