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Finding the Fourth Proportional to 2,941.22, 4,411.94 and 1,092.80

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Solution

The fourth proportional to 2,941.22, 4,411.94 and 1,092.80 is: 1,639.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,941.22 : 4,411.94 = 1,092.80 : x
  2. Step 2: Convert to fraction form
    2,941.22/4,411.94 = 1,092.80/x
  3. Step 3: Cross multiply
    2,941.22x = 4,411.94 × 1,092.80
  4. Step 4: Simplify right side
    2,941.22x = 4,821,368.03
  5. Step 5: Solve for x
    x = 4,821,368.03/2,941.22
  6. Step 6: Final answer
    x = 1,639.24

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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.