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Finding the Fourth Proportional to 63,836.73, 95,695.52 and 21,687.98

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Solution

The fourth proportional to 63,836.73, 95,695.52 and 21,687.98 is: 32,511.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,836.73 : 95,695.52 = 21,687.98 : x
  2. Step 2: Convert to fraction form
    63,836.73/95,695.52 = 21,687.98/x
  3. Step 3: Cross multiply
    63,836.73x = 95,695.52 × 21,687.98
  4. Step 4: Simplify right side
    63,836.73x = 2,075,441,936.93
  5. Step 5: Solve for x
    x = 2,075,441,936.93/63,836.73
  6. Step 6: Final answer
    x = 32,511.72

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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.