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Finding the Fourth Proportional to 3,274.96, 4,905.96 and 1,538.32

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Solution

The fourth proportional to 3,274.96, 4,905.96 and 1,538.32 is: 2,304.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,274.96 : 4,905.96 = 1,538.32 : x
  2. Step 2: Convert to fraction form
    3,274.96/4,905.96 = 1,538.32/x
  3. Step 3: Cross multiply
    3,274.96x = 4,905.96 × 1,538.32
  4. Step 4: Simplify right side
    3,274.96x = 7,546,936.39
  5. Step 5: Solve for x
    x = 7,546,936.39/3,274.96
  6. Step 6: Final answer
    x = 2,304.44

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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.