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Finding the Fourth Proportional to 3,968.67, 5,949.48 and 1,505.22

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Solution

The fourth proportional to 3,968.67, 5,949.48 and 1,505.22 is: 2,256.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,968.67 : 5,949.48 = 1,505.22 : x
  2. Step 2: Convert to fraction form
    3,968.67/5,949.48 = 1,505.22/x
  3. Step 3: Cross multiply
    3,968.67x = 5,949.48 × 1,505.22
  4. Step 4: Simplify right side
    3,968.67x = 8,955,272.02
  5. Step 5: Solve for x
    x = 8,955,272.02/3,968.67
  6. Step 6: Final answer
    x = 2,256.49

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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.