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Finding the Fourth Proportional to 12,327.56, 18,491.18 and 3,093.56

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Solution

The fourth proportional to 12,327.56, 18,491.18 and 3,093.56 is: 4,640.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,327.56 : 18,491.18 = 3,093.56 : x
  2. Step 2: Convert to fraction form
    12,327.56/18,491.18 = 3,093.56/x
  3. Step 3: Cross multiply
    12,327.56x = 18,491.18 × 3,093.56
  4. Step 4: Simplify right side
    12,327.56x = 57,203,574.80
  5. Step 5: Solve for x
    x = 57,203,574.80/12,327.56
  6. Step 6: Final answer
    x = 4,640.30

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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.