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Finding the Fourth Proportional to 1,604.57, 2,214.32 and 941.49

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Solution

The fourth proportional to 1,604.57, 2,214.32 and 941.49 is: 1,299.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,604.57 : 2,214.32 = 941.49 : x
  2. Step 2: Convert to fraction form
    1,604.57/2,214.32 = 941.49/x
  3. Step 3: Cross multiply
    1,604.57x = 2,214.32 × 941.49
  4. Step 4: Simplify right side
    1,604.57x = 2,084,755.43
  5. Step 5: Solve for x
    x = 2,084,755.43/1,604.57
  6. Step 6: Final answer
    x = 1,299.27

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1.5x scale

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.