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Finding the Fourth Proportional to 2,146.86, 2,961.96 and 1,483.44

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Solution

The fourth proportional to 2,146.86, 2,961.96 and 1,483.44 is: 2,046.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,146.86 : 2,961.96 = 1,483.44 : x
  2. Step 2: Convert to fraction form
    2,146.86/2,961.96 = 1,483.44/x
  3. Step 3: Cross multiply
    2,146.86x = 2,961.96 × 1,483.44
  4. Step 4: Simplify right side
    2,146.86x = 4,393,889.94
  5. Step 5: Solve for x
    x = 4,393,889.94/2,146.86
  6. Step 6: Final answer
    x = 2,046.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.