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Finding the Fourth Proportional to 50,660.91, 75,992.91 and 17,380.50

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Solution

The fourth proportional to 50,660.91, 75,992.91 and 17,380.50 is: 26,071.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,660.91 : 75,992.91 = 17,380.50 : x
  2. Step 2: Convert to fraction form
    50,660.91/75,992.91 = 17,380.50/x
  3. Step 3: Cross multiply
    50,660.91x = 75,992.91 × 17,380.50
  4. Step 4: Simplify right side
    50,660.91x = 1,320,794,772.26
  5. Step 5: Solve for x
    x = 1,320,794,772.26/50,660.91
  6. Step 6: Final answer
    x = 26,071.28

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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.