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Finding the Fourth Proportional to 3,258.44, 4,887.62 and 793.26

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Solution

The fourth proportional to 3,258.44, 4,887.62 and 793.26 is: 1,189.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258.44 : 4,887.62 = 793.26 : x
  2. Step 2: Convert to fraction form
    3,258.44/4,887.62 = 793.26/x
  3. Step 3: Cross multiply
    3,258.44x = 4,887.62 × 793.26
  4. Step 4: Simplify right side
    3,258.44x = 3,877,153.44
  5. Step 5: Solve for x
    x = 3,877,153.44/3,258.44
  6. Step 6: Final answer
    x = 1,189.88

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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.