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Finding the Fourth Proportional to 1,941.93, 2,910.74 and 844.65

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Solution

The fourth proportional to 1,941.93, 2,910.74 and 844.65 is: 1,266.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941.93 : 2,910.74 = 844.65 : x
  2. Step 2: Convert to fraction form
    1,941.93/2,910.74 = 844.65/x
  3. Step 3: Cross multiply
    1,941.93x = 2,910.74 × 844.65
  4. Step 4: Simplify right side
    1,941.93x = 2,458,552.32
  5. Step 5: Solve for x
    x = 2,458,552.32/1,941.93
  6. Step 6: Final answer
    x = 1,266.04

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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.