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Finding the Fourth Proportional to 36,699.66, 50,645.79 and 19,932.66

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Solution

The fourth proportional to 36,699.66, 50,645.79 and 19,932.66 is: 27,507.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,699.66 : 50,645.79 = 19,932.66 : x
  2. Step 2: Convert to fraction form
    36,699.66/50,645.79 = 19,932.66/x
  3. Step 3: Cross multiply
    36,699.66x = 50,645.79 × 19,932.66
  4. Step 4: Simplify right side
    36,699.66x = 1,009,505,312.50
  5. Step 5: Solve for x
    x = 1,009,505,312.50/36,699.66
  6. Step 6: Final answer
    x = 27,507.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.