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Finding the Fourth Proportional to 63,687.94, 87,882.38 and 36,826.39

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Solution

The fourth proportional to 63,687.94, 87,882.38 and 36,826.39 is: 50,816.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,687.94 : 87,882.38 = 36,826.39 : x
  2. Step 2: Convert to fraction form
    63,687.94/87,882.38 = 36,826.39/x
  3. Step 3: Cross multiply
    63,687.94x = 87,882.38 × 36,826.39
  4. Step 4: Simplify right side
    63,687.94x = 3,236,390,800.01
  5. Step 5: Solve for x
    x = 3,236,390,800.01/63,687.94
  6. Step 6: Final answer
    x = 50,816.38

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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.