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Finding the Fourth Proportional to 2,525.10, 3,786.46 and 881.44

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Solution

The fourth proportional to 2,525.10, 3,786.46 and 881.44 is: 1,321.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,525.10 : 3,786.46 = 881.44 : x
  2. Step 2: Convert to fraction form
    2,525.10/3,786.46 = 881.44/x
  3. Step 3: Cross multiply
    2,525.10x = 3,786.46 × 881.44
  4. Step 4: Simplify right side
    2,525.10x = 3,337,537.30
  5. Step 5: Solve for x
    x = 3,337,537.30/2,525.10
  6. Step 6: Final answer
    x = 1,321.74

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1.5x scale

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.