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Finding the Fourth Proportional to 2,644.82, 3,649.90 and 1,525.58

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Solution

The fourth proportional to 2,644.82, 3,649.90 and 1,525.58 is: 2,105.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,644.82 : 3,649.90 = 1,525.58 : x
  2. Step 2: Convert to fraction form
    2,644.82/3,649.90 = 1,525.58/x
  3. Step 3: Cross multiply
    2,644.82x = 3,649.90 × 1,525.58
  4. Step 4: Simplify right side
    2,644.82x = 5,568,214.44
  5. Step 5: Solve for x
    x = 5,568,214.44/2,644.82
  6. Step 6: Final answer
    x = 2,105.33

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1.5x scale

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.