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Finding the Fourth Proportional to 2,633, 3,633.86 and 1,529

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Solution

The fourth proportional to 2,633, 3,633.86 and 1,529 is: 2,110.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,633 : 3,633.86 = 1,529 : x
  2. Step 2: Convert to fraction form
    2,633/3,633.86 = 1,529/x
  3. Step 3: Cross multiply
    2,633x = 3,633.86 × 1,529
  4. Step 4: Simplify right side
    2,633x = 5,556,171.94
  5. Step 5: Solve for x
    x = 5,556,171.94/2,633
  6. Step 6: Final answer
    x = 2,110.21

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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.