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Finding the Fourth Proportional to 49,855.52, 68,797.08 and 28,054.98

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Solution

The fourth proportional to 49,855.52, 68,797.08 and 28,054.98 is: 38,713.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,855.52 : 68,797.08 = 28,054.98 : x
  2. Step 2: Convert to fraction form
    49,855.52/68,797.08 = 28,054.98/x
  3. Step 3: Cross multiply
    49,855.52x = 68,797.08 × 28,054.98
  4. Step 4: Simplify right side
    49,855.52x = 1,930,100,703.46
  5. Step 5: Solve for x
    x = 1,930,100,703.46/49,855.52
  6. Step 6: Final answer
    x = 38,713.88

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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.