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Finding the Fourth Proportional to 67,004.84, 100,485.93 and 22,015.76

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Solution

The fourth proportional to 67,004.84, 100,485.93 and 22,015.76 is: 33,016.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,004.84 : 100,485.93 = 22,015.76 : x
  2. Step 2: Convert to fraction form
    67,004.84/100,485.93 = 22,015.76/x
  3. Step 3: Cross multiply
    67,004.84x = 100,485.93 × 22,015.76
  4. Step 4: Simplify right side
    67,004.84x = 2,212,273,698.39
  5. Step 5: Solve for x
    x = 2,212,273,698.39/67,004.84
  6. Step 6: Final answer
    x = 33,016.62

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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.