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Finding the Fourth Proportional to 3,202.28, 4,803.30 and 893.88

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Solution

The fourth proportional to 3,202.28, 4,803.30 and 893.88 is: 1,340.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,202.28 : 4,803.30 = 893.88 : x
  2. Step 2: Convert to fraction form
    3,202.28/4,803.30 = 893.88/x
  3. Step 3: Cross multiply
    3,202.28x = 4,803.30 × 893.88
  4. Step 4: Simplify right side
    3,202.28x = 4,293,573.80
  5. Step 5: Solve for x
    x = 4,293,573.80/3,202.28
  6. Step 6: Final answer
    x = 1,340.79

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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.