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Finding the Fourth Proportional to 2,963.44, 4,445.16 and 1,208.50

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Solution

The fourth proportional to 2,963.44, 4,445.16 and 1,208.50 is: 1,812.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,963.44 : 4,445.16 = 1,208.50 : x
  2. Step 2: Convert to fraction form
    2,963.44/4,445.16 = 1,208.50/x
  3. Step 3: Cross multiply
    2,963.44x = 4,445.16 × 1,208.50
  4. Step 4: Simplify right side
    2,963.44x = 5,371,975.86
  5. Step 5: Solve for x
    x = 5,371,975.86/2,963.44
  6. Step 6: Final answer
    x = 1,812.75

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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.