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Finding the Fourth Proportional to 67,282.58, 100,848.44 and 27,292.28

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Solution

The fourth proportional to 67,282.58, 100,848.44 and 27,292.28 is: 40,907.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,282.58 : 100,848.44 = 27,292.28 : x
  2. Step 2: Convert to fraction form
    67,282.58/100,848.44 = 27,292.28/x
  3. Step 3: Cross multiply
    67,282.58x = 100,848.44 × 27,292.28
  4. Step 4: Simplify right side
    67,282.58x = 2,752,383,426.03
  5. Step 5: Solve for x
    x = 2,752,383,426.03/67,282.58
  6. Step 6: Final answer
    x = 40,907.81

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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.