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Finding the Fourth Proportional to 36,669.20, 50,603.49 and 19,902.20

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Solution

The fourth proportional to 36,669.20, 50,603.49 and 19,902.20 is: 27,465.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,669.20 : 50,603.49 = 19,902.20 : x
  2. Step 2: Convert to fraction form
    36,669.20/50,603.49 = 19,902.20/x
  3. Step 3: Cross multiply
    36,669.20x = 50,603.49 × 19,902.20
  4. Step 4: Simplify right side
    36,669.20x = 1,007,120,525.66
  5. Step 5: Solve for x
    x = 1,007,120,525.66/36,669.20
  6. Step 6: Final answer
    x = 27,465.03

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1.5x scale

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.