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Finding the Fourth Proportional to 4,918.72, 7,372.62 and 1,796.17

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Solution

The fourth proportional to 4,918.72, 7,372.62 and 1,796.17 is: 2,692.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,918.72 : 7,372.62 = 1,796.17 : x
  2. Step 2: Convert to fraction form
    4,918.72/7,372.62 = 1,796.17/x
  3. Step 3: Cross multiply
    4,918.72x = 7,372.62 × 1,796.17
  4. Step 4: Simplify right side
    4,918.72x = 13,242,478.87
  5. Step 5: Solve for x
    x = 13,242,478.87/4,918.72
  6. Step 6: Final answer
    x = 2,692.26

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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.