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Finding the Fourth Proportional to 49,560, 68,392.80 and 27,203.52

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Solution

The fourth proportional to 49,560, 68,392.80 and 27,203.52 is: 37,540.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,560 : 68,392.80 = 27,203.52 : x
  2. Step 2: Convert to fraction form
    49,560/68,392.80 = 27,203.52/x
  3. Step 3: Cross multiply
    49,560x = 68,392.80 × 27,203.52
  4. Step 4: Simplify right side
    49,560x = 1,860,524,902.66
  5. Step 5: Solve for x
    x = 1,860,524,902.66/49,560
  6. Step 6: Final answer
    x = 37,540.86

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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.