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Finding the Fourth Proportional to 36,669, 50,603.28 and 19,902

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Solution

The fourth proportional to 36,669, 50,603.28 and 19,902 is: 27,464.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,669 : 50,603.28 = 19,902 : x
  2. Step 2: Convert to fraction form
    36,669/50,603.28 = 19,902/x
  3. Step 3: Cross multiply
    36,669x = 50,603.28 × 19,902
  4. Step 4: Simplify right side
    36,669x = 1,007,106,478.56
  5. Step 5: Solve for x
    x = 1,007,106,478.56/36,669
  6. Step 6: Final answer
    x = 27,464.79

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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.