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Finding the Fourth Proportional to 36,474, 54,732.51 and 15,412.67

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Solution

The fourth proportional to 36,474, 54,732.51 and 15,412.67 is: 23,128.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,474 : 54,732.51 = 15,412.67 : x
  2. Step 2: Convert to fraction form
    36,474/54,732.51 = 15,412.67/x
  3. Step 3: Cross multiply
    36,474x = 54,732.51 × 15,412.67
  4. Step 4: Simplify right side
    36,474x = 843,574,114.90
  5. Step 5: Solve for x
    x = 843,574,114.90/36,474
  6. Step 6: Final answer
    x = 23,128.09

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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.