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Finding the Fourth Proportional to 36,225, 54,361.80 and 15,453.36

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Solution

The fourth proportional to 36,225, 54,361.80 and 15,453.36 is: 23,190.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,225 : 54,361.80 = 15,453.36 : x
  2. Step 2: Convert to fraction form
    36,225/54,361.80 = 15,453.36/x
  3. Step 3: Cross multiply
    36,225x = 54,361.80 × 15,453.36
  4. Step 4: Simplify right side
    36,225x = 840,072,465.65
  5. Step 5: Solve for x
    x = 840,072,465.65/36,225
  6. Step 6: Final answer
    x = 23,190.41

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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.