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Finding the Fourth Proportional to 68,884.55, 95,063.83 and 38,257.76

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Solution

The fourth proportional to 68,884.55, 95,063.83 and 38,257.76 is: 52,797.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,884.55 : 95,063.83 = 38,257.76 : x
  2. Step 2: Convert to fraction form
    68,884.55/95,063.83 = 38,257.76/x
  3. Step 3: Cross multiply
    68,884.55x = 95,063.83 × 38,257.76
  4. Step 4: Simplify right side
    68,884.55x = 3,636,929,192.82
  5. Step 5: Solve for x
    x = 3,636,929,192.82/68,884.55
  6. Step 6: Final answer
    x = 52,797.46

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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.