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Finding the Fourth Proportional to 35,961.04, 53,906.73 and 13,757.32

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Solution

The fourth proportional to 35,961.04, 53,906.73 and 13,757.32 is: 20,622.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,961.04 : 53,906.73 = 13,757.32 : x
  2. Step 2: Convert to fraction form
    35,961.04/53,906.73 = 13,757.32/x
  3. Step 3: Cross multiply
    35,961.04x = 53,906.73 × 13,757.32
  4. Step 4: Simplify right side
    35,961.04x = 741,612,134.76
  5. Step 5: Solve for x
    x = 741,612,134.76/35,961.04
  6. Step 6: Final answer
    x = 20,622.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.