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Finding the Fourth Proportional to 2,732.51, 3,770.83 and 1,553.34

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Solution

The fourth proportional to 2,732.51, 3,770.83 and 1,553.34 is: 2,143.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,732.51 : 3,770.83 = 1,553.34 : x
  2. Step 2: Convert to fraction form
    2,732.51/3,770.83 = 1,553.34/x
  3. Step 3: Cross multiply
    2,732.51x = 3,770.83 × 1,553.34
  4. Step 4: Simplify right side
    2,732.51x = 5,857,381.07
  5. Step 5: Solve for x
    x = 5,857,381.07/2,732.51
  6. Step 6: Final answer
    x = 2,143.59

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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.