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Finding the Fourth Proportional to 63,054.70, 87,015.49 and 36,198.95

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Solution

The fourth proportional to 63,054.70, 87,015.49 and 36,198.95 is: 49,954.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,054.70 : 87,015.49 = 36,198.95 : x
  2. Step 2: Convert to fraction form
    63,054.70/87,015.49 = 36,198.95/x
  3. Step 3: Cross multiply
    63,054.70x = 87,015.49 × 36,198.95
  4. Step 4: Simplify right side
    63,054.70x = 3,149,869,437.43
  5. Step 5: Solve for x
    x = 3,149,869,437.43/63,054.70
  6. Step 6: Final answer
    x = 49,954.55

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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.