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Finding the Fourth Proportional to 1,832.73, 2,529.12 and 993.41

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Solution

The fourth proportional to 1,832.73, 2,529.12 and 993.41 is: 1,370.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,832.73 : 2,529.12 = 993.41 : x
  2. Step 2: Convert to fraction form
    1,832.73/2,529.12 = 993.41/x
  3. Step 3: Cross multiply
    1,832.73x = 2,529.12 × 993.41
  4. Step 4: Simplify right side
    1,832.73x = 2,512,467.89
  5. Step 5: Solve for x
    x = 2,512,467.89/1,832.73
  6. Step 6: Final answer
    x = 1,370.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.