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Finding the Fourth Proportional to 18,704.37, 25,814.88 and 11,633.07

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Solution

The fourth proportional to 18,704.37, 25,814.88 and 11,633.07 is: 16,055.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,704.37 : 25,814.88 = 11,633.07 : x
  2. Step 2: Convert to fraction form
    18,704.37/25,814.88 = 11,633.07/x
  3. Step 3: Cross multiply
    18,704.37x = 25,814.88 × 11,633.07
  4. Step 4: Simplify right side
    18,704.37x = 300,306,306.08
  5. Step 5: Solve for x
    x = 300,306,306.08/18,704.37
  6. Step 6: Final answer
    x = 16,055.41

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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.