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Finding the Fourth Proportional to 3,505.44, 5,258.16 and 908.37

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Solution

The fourth proportional to 3,505.44, 5,258.16 and 908.37 is: 1,362.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,505.44 : 5,258.16 = 908.37 : x
  2. Step 2: Convert to fraction form
    3,505.44/5,258.16 = 908.37/x
  3. Step 3: Cross multiply
    3,505.44x = 5,258.16 × 908.37
  4. Step 4: Simplify right side
    3,505.44x = 4,776,354.80
  5. Step 5: Solve for x
    x = 4,776,354.80/3,505.44
  6. Step 6: Final answer
    x = 1,362.56

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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.