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Finding the Fourth Proportional to 1,963.43, 2,708.71 and 1,714.76

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Solution

The fourth proportional to 1,963.43, 2,708.71 and 1,714.76 is: 2,365.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,963.43 : 2,708.71 = 1,714.76 : x
  2. Step 2: Convert to fraction form
    1,963.43/2,708.71 = 1,714.76/x
  3. Step 3: Cross multiply
    1,963.43x = 2,708.71 × 1,714.76
  4. Step 4: Simplify right side
    1,963.43x = 4,644,769.73
  5. Step 5: Solve for x
    x = 4,644,769.73/1,963.43
  6. Step 6: Final answer
    x = 2,365.65

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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.