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Finding the Fourth Proportional to 36,936.68, 55,404.66 and 9,234.68

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Solution

The fourth proportional to 36,936.68, 55,404.66 and 9,234.68 is: 13,851.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,936.68 : 55,404.66 = 9,234.68 : x
  2. Step 2: Convert to fraction form
    36,936.68/55,404.66 = 9,234.68/x
  3. Step 3: Cross multiply
    36,936.68x = 55,404.66 × 9,234.68
  4. Step 4: Simplify right side
    36,936.68x = 511,644,305.61
  5. Step 5: Solve for x
    x = 511,644,305.61/36,936.68
  6. Step 6: Final answer
    x = 13,851.93

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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.