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Finding the Fourth Proportional to 36,440.38, 54,662.01 and 10,147.42

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Solution

The fourth proportional to 36,440.38, 54,662.01 and 10,147.42 is: 15,221.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,440.38 : 54,662.01 = 10,147.42 : x
  2. Step 2: Convert to fraction form
    36,440.38/54,662.01 = 10,147.42/x
  3. Step 3: Cross multiply
    36,440.38x = 54,662.01 × 10,147.42
  4. Step 4: Simplify right side
    36,440.38x = 554,678,373.51
  5. Step 5: Solve for x
    x = 554,678,373.51/36,440.38
  6. Step 6: Final answer
    x = 15,221.53

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.