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Finding the Fourth Proportional to 3,373, 5,060.36 and 1,181.78

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Solution

The fourth proportional to 3,373, 5,060.36 and 1,181.78 is: 1,772.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,373 : 5,060.36 = 1,181.78 : x
  2. Step 2: Convert to fraction form
    3,373/5,060.36 = 1,181.78/x
  3. Step 3: Cross multiply
    3,373x = 5,060.36 × 1,181.78
  4. Step 4: Simplify right side
    3,373x = 5,980,232.24
  5. Step 5: Solve for x
    x = 5,980,232.24/3,373
  6. Step 6: Final answer
    x = 1,772.97

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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.