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Finding the Fourth Proportional to 1,622.73, 2,239.39 and 950.38

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Solution

The fourth proportional to 1,622.73, 2,239.39 and 950.38 is: 1,311.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622.73 : 2,239.39 = 950.38 : x
  2. Step 2: Convert to fraction form
    1,622.73/2,239.39 = 950.38/x
  3. Step 3: Cross multiply
    1,622.73x = 2,239.39 × 950.38
  4. Step 4: Simplify right side
    1,622.73x = 2,128,271.47
  5. Step 5: Solve for x
    x = 2,128,271.47/1,622.73
  6. Step 6: Final answer
    x = 1,311.54

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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.