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Finding the Fourth Proportional to 36,501.21, 54,751.68 and 8,799.21

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Solution

The fourth proportional to 36,501.21, 54,751.68 and 8,799.21 is: 13,198.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,501.21 : 54,751.68 = 8,799.21 : x
  2. Step 2: Convert to fraction form
    36,501.21/54,751.68 = 8,799.21/x
  3. Step 3: Cross multiply
    36,501.21x = 54,751.68 × 8,799.21
  4. Step 4: Simplify right side
    36,501.21x = 481,771,530.17
  5. Step 5: Solve for x
    x = 481,771,530.17/36,501.21
  6. Step 6: Final answer
    x = 13,198.78

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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.