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Finding the Fourth Proportional to 1,633.70, 2,450.23 and 755.93

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Solution

The fourth proportional to 1,633.70, 2,450.23 and 755.93 is: 1,133.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,633.70 : 2,450.23 = 755.93 : x
  2. Step 2: Convert to fraction form
    1,633.70/2,450.23 = 755.93/x
  3. Step 3: Cross multiply
    1,633.70x = 2,450.23 × 755.93
  4. Step 4: Simplify right side
    1,633.70x = 1,852,202.36
  5. Step 5: Solve for x
    x = 1,852,202.36/1,633.70
  6. Step 6: Final answer
    x = 1,133.75

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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.