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Finding the Fourth Proportional to 2,003, 3,004.49 and 907.34

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Solution

The fourth proportional to 2,003, 3,004.49 and 907.34 is: 1,361.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,003 : 3,004.49 = 907.34 : x
  2. Step 2: Convert to fraction form
    2,003/3,004.49 = 907.34/x
  3. Step 3: Cross multiply
    2,003x = 3,004.49 × 907.34
  4. Step 4: Simplify right side
    2,003x = 2,726,093.96
  5. Step 5: Solve for x
    x = 2,726,093.96/2,003
  6. Step 6: Final answer
    x = 1,361.01

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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.