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Finding the Fourth Proportional to 1,963.93, 2,944.94 and 1,142.49

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Solution

The fourth proportional to 1,963.93, 2,944.94 and 1,142.49 is: 1,713.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,963.93 : 2,944.94 = 1,142.49 : x
  2. Step 2: Convert to fraction form
    1,963.93/2,944.94 = 1,142.49/x
  3. Step 3: Cross multiply
    1,963.93x = 2,944.94 × 1,142.49
  4. Step 4: Simplify right side
    1,963.93x = 3,364,564.50
  5. Step 5: Solve for x
    x = 3,364,564.50/1,963.93
  6. Step 6: Final answer
    x = 1,713.18

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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.