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Finding the Fourth Proportional to 3,338.49, 5,008.03 and 873.30

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Solution

The fourth proportional to 3,338.49, 5,008.03 and 873.30 is: 1,310.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,338.49 : 5,008.03 = 873.30 : x
  2. Step 2: Convert to fraction form
    3,338.49/5,008.03 = 873.30/x
  3. Step 3: Cross multiply
    3,338.49x = 5,008.03 × 873.30
  4. Step 4: Simplify right side
    3,338.49x = 4,373,512.60
  5. Step 5: Solve for x
    x = 4,373,512.60/3,338.49
  6. Step 6: Final answer
    x = 1,310.03

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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.