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Finding the Fourth Proportional to 1,836.48, 2,754.74 and 537.98

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Solution

The fourth proportional to 1,836.48, 2,754.74 and 537.98 is: 806.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,836.48 : 2,754.74 = 537.98 : x
  2. Step 2: Convert to fraction form
    1,836.48/2,754.74 = 537.98/x
  3. Step 3: Cross multiply
    1,836.48x = 2,754.74 × 537.98
  4. Step 4: Simplify right side
    1,836.48x = 1,481,982.60
  5. Step 5: Solve for x
    x = 1,481,982.60/1,836.48
  6. Step 6: Final answer
    x = 806.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.