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Finding the Fourth Proportional to 2,963.93, 4,448.49 and 1,208.93

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Solution

The fourth proportional to 2,963.93, 4,448.49 and 1,208.93 is: 1,814.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,963.93 : 4,448.49 = 1,208.93 : x
  2. Step 2: Convert to fraction form
    2,963.93/4,448.49 = 1,208.93/x
  3. Step 3: Cross multiply
    2,963.93x = 4,448.49 × 1,208.93
  4. Step 4: Simplify right side
    2,963.93x = 5,377,913.02
  5. Step 5: Solve for x
    x = 5,377,913.02/2,963.93
  6. Step 6: Final answer
    x = 1,814.45

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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.