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Finding the Fourth Proportional to 2,469.97, 3,409.49 and 1,525.91

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Solution

The fourth proportional to 2,469.97, 3,409.49 and 1,525.91 is: 2,106.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,469.97 : 3,409.49 = 1,525.91 : x
  2. Step 2: Convert to fraction form
    2,469.97/3,409.49 = 1,525.91/x
  3. Step 3: Cross multiply
    2,469.97x = 3,409.49 × 1,525.91
  4. Step 4: Simplify right side
    2,469.97x = 5,202,567.26
  5. Step 5: Solve for x
    x = 5,202,567.26/2,469.97
  6. Step 6: Final answer
    x = 2,106.33

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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.