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Finding the Fourth Proportional to 3,682.92, 5,525.90 and 1,491.09

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Solution

The fourth proportional to 3,682.92, 5,525.90 and 1,491.09 is: 2,237.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,682.92 : 5,525.90 = 1,491.09 : x
  2. Step 2: Convert to fraction form
    3,682.92/5,525.90 = 1,491.09/x
  3. Step 3: Cross multiply
    3,682.92x = 5,525.90 × 1,491.09
  4. Step 4: Simplify right side
    3,682.92x = 8,239,614.23
  5. Step 5: Solve for x
    x = 8,239,614.23/3,682.92
  6. Step 6: Final answer
    x = 2,237.25

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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.