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Finding the Fourth Proportional to 18,163.84, 27,256.28 and 7,633.03

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Solution

The fourth proportional to 18,163.84, 27,256.28 and 7,633.03 is: 11,453.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,163.84 : 27,256.28 = 7,633.03 : x
  2. Step 2: Convert to fraction form
    18,163.84/27,256.28 = 7,633.03/x
  3. Step 3: Cross multiply
    18,163.84x = 27,256.28 × 7,633.03
  4. Step 4: Simplify right side
    18,163.84x = 208,047,866.65
  5. Step 5: Solve for x
    x = 208,047,866.65/18,163.84
  6. Step 6: Final answer
    x = 11,453.96

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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.