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Finding the Fourth Proportional to 1,959.26, 2,700.41 and 1,866.98

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Solution

The fourth proportional to 1,959.26, 2,700.41 and 1,866.98 is: 2,573.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,959.26 : 2,700.41 = 1,866.98 : x
  2. Step 2: Convert to fraction form
    1,959.26/2,700.41 = 1,866.98/x
  3. Step 3: Cross multiply
    1,959.26x = 2,700.41 × 1,866.98
  4. Step 4: Simplify right side
    1,959.26x = 5,041,608.88
  5. Step 5: Solve for x
    x = 5,041,608.88/1,959.26
  6. Step 6: Final answer
    x = 2,573.23

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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.