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Finding the Fourth Proportional to 37,786.56, 56,682.56 and 11,491.21

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Solution

The fourth proportional to 37,786.56, 56,682.56 and 11,491.21 is: 17,237.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,786.56 : 56,682.56 = 11,491.21 : x
  2. Step 2: Convert to fraction form
    37,786.56/56,682.56 = 11,491.21/x
  3. Step 3: Cross multiply
    37,786.56x = 56,682.56 × 11,491.21
  4. Step 4: Simplify right side
    37,786.56x = 651,351,200.30
  5. Step 5: Solve for x
    x = 651,351,200.30/37,786.56
  6. Step 6: Final answer
    x = 17,237.64

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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.