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Finding the Fourth Proportional to 1,604.26, 2,213.62 and 941.01

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Solution

The fourth proportional to 1,604.26, 2,213.62 and 941.01 is: 1,298.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,604.26 : 2,213.62 = 941.01 : x
  2. Step 2: Convert to fraction form
    1,604.26/2,213.62 = 941.01/x
  3. Step 3: Cross multiply
    1,604.26x = 2,213.62 × 941.01
  4. Step 4: Simplify right side
    1,604.26x = 2,083,038.56
  5. Step 5: Solve for x
    x = 2,083,038.56/1,604.26
  6. Step 6: Final answer
    x = 1,298.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.