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Finding the Fourth Proportional to 1,959.76, 2,704.45 and 1,063.48

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Solution

The fourth proportional to 1,959.76, 2,704.45 and 1,063.48 is: 1,467.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,959.76 : 2,704.45 = 1,063.48 : x
  2. Step 2: Convert to fraction form
    1,959.76/2,704.45 = 1,063.48/x
  3. Step 3: Cross multiply
    1,959.76x = 2,704.45 × 1,063.48
  4. Step 4: Simplify right side
    1,959.76x = 2,876,123.05
  5. Step 5: Solve for x
    x = 2,876,123.05/1,959.76
  6. Step 6: Final answer
    x = 1,467.59

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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.