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Finding the Fourth Proportional to 36,903.21, 55,364.09 and 10,608

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Solution

The fourth proportional to 36,903.21, 55,364.09 and 10,608 is: 15,914.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,903.21 : 55,364.09 = 10,608 : x
  2. Step 2: Convert to fraction form
    36,903.21/55,364.09 = 10,608/x
  3. Step 3: Cross multiply
    36,903.21x = 55,364.09 × 10,608
  4. Step 4: Simplify right side
    36,903.21x = 587,302,213.68
  5. Step 5: Solve for x
    x = 587,302,213.68/36,903.21
  6. Step 6: Final answer
    x = 15,914.66

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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.