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Finding the Fourth Proportional to 36,716.66, 50,669.90 and 21,610.11

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Solution

The fourth proportional to 36,716.66, 50,669.90 and 21,610.11 is: 29,822.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,716.66 : 50,669.90 = 21,610.11 : x
  2. Step 2: Convert to fraction form
    36,716.66/50,669.90 = 21,610.11/x
  3. Step 3: Cross multiply
    36,716.66x = 50,669.90 × 21,610.11
  4. Step 4: Simplify right side
    36,716.66x = 1,094,982,004.64
  5. Step 5: Solve for x
    x = 1,094,982,004.64/36,716.66
  6. Step 6: Final answer
    x = 29,822.49

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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.