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Finding the Fourth Proportional to 2,045.80, 3,067.80 and 950.50

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Solution

The fourth proportional to 2,045.80, 3,067.80 and 950.50 is: 1,425.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,045.80 : 3,067.80 = 950.50 : x
  2. Step 2: Convert to fraction form
    2,045.80/3,067.80 = 950.50/x
  3. Step 3: Cross multiply
    2,045.80x = 3,067.80 × 950.50
  4. Step 4: Simplify right side
    2,045.80x = 2,915,943.90
  5. Step 5: Solve for x
    x = 2,915,943.90/2,045.80
  6. Step 6: Final answer
    x = 1,425.33

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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.