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Finding the Fourth Proportional to 1,604.36, 2,214.48 and 941.24

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Solution

The fourth proportional to 1,604.36, 2,214.48 and 941.24 is: 1,299.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,604.36 : 2,214.48 = 941.24 : x
  2. Step 2: Convert to fraction form
    1,604.36/2,214.48 = 941.24/x
  3. Step 3: Cross multiply
    1,604.36x = 2,214.48 × 941.24
  4. Step 4: Simplify right side
    1,604.36x = 2,084,357.16
  5. Step 5: Solve for x
    x = 2,084,357.16/1,604.36
  6. Step 6: Final answer
    x = 1,299.18

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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.