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Finding the Fourth Proportional to 36,272, 50,055.54 and 21,175.04

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Solution

The fourth proportional to 36,272, 50,055.54 and 21,175.04 is: 29,221.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,272 : 50,055.54 = 21,175.04 : x
  2. Step 2: Convert to fraction form
    36,272/50,055.54 = 21,175.04/x
  3. Step 3: Cross multiply
    36,272x = 50,055.54 × 21,175.04
  4. Step 4: Simplify right side
    36,272x = 1,059,928,061.72
  5. Step 5: Solve for x
    x = 1,059,928,061.72/36,272
  6. Step 6: Final answer
    x = 29,221.66

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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.