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Finding the Fourth Proportional to 66,826.88, 100,251.86 and 22,457.92

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Solution

The fourth proportional to 66,826.88, 100,251.86 and 22,457.92 is: 33,690.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,826.88 : 100,251.86 = 22,457.92 : x
  2. Step 2: Convert to fraction form
    66,826.88/100,251.86 = 22,457.92/x
  3. Step 3: Cross multiply
    66,826.88x = 100,251.86 × 22,457.92
  4. Step 4: Simplify right side
    66,826.88x = 2,251,448,251.73
  5. Step 5: Solve for x
    x = 2,251,448,251.73/66,826.88
  6. Step 6: Final answer
    x = 33,690.76

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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.