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Finding the Fourth Proportional to 2,791.44, 4,184.28 and 941.94

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Solution

The fourth proportional to 2,791.44, 4,184.28 and 941.94 is: 1,411.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,791.44 : 4,184.28 = 941.94 : x
  2. Step 2: Convert to fraction form
    2,791.44/4,184.28 = 941.94/x
  3. Step 3: Cross multiply
    2,791.44x = 4,184.28 × 941.94
  4. Step 4: Simplify right side
    2,791.44x = 3,941,340.70
  5. Step 5: Solve for x
    x = 3,941,340.70/2,791.44
  6. Step 6: Final answer
    x = 1,411.94

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1.5x scale

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.