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Finding the Fourth Proportional to 2,489.97, 3,735.46 and 735.01

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Solution

The fourth proportional to 2,489.97, 3,735.46 and 735.01 is: 1,102.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,489.97 : 3,735.46 = 735.01 : x
  2. Step 2: Convert to fraction form
    2,489.97/3,735.46 = 735.01/x
  3. Step 3: Cross multiply
    2,489.97x = 3,735.46 × 735.01
  4. Step 4: Simplify right side
    2,489.97x = 2,745,592.03
  5. Step 5: Solve for x
    x = 2,745,592.03/2,489.97
  6. Step 6: Final answer
    x = 1,102.66

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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.