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Finding the Fourth Proportional to 2,474.82, 3,712.50 and 914.64

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Solution

The fourth proportional to 2,474.82, 3,712.50 and 914.64 is: 1,372.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,474.82 : 3,712.50 = 914.64 : x
  2. Step 2: Convert to fraction form
    2,474.82/3,712.50 = 914.64/x
  3. Step 3: Cross multiply
    2,474.82x = 3,712.50 × 914.64
  4. Step 4: Simplify right side
    2,474.82x = 3,395,601
  5. Step 5: Solve for x
    x = 3,395,601/2,474.82
  6. Step 6: Final answer
    x = 1,372.06

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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.