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Finding the Fourth Proportional to 49,739.88, 68,606.82 and 47,614.44

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Solution

The fourth proportional to 49,739.88, 68,606.82 and 47,614.44 is: 65,675.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,739.88 : 68,606.82 = 47,614.44 : x
  2. Step 2: Convert to fraction form
    49,739.88/68,606.82 = 47,614.44/x
  3. Step 3: Cross multiply
    49,739.88x = 68,606.82 × 47,614.44
  4. Step 4: Simplify right side
    49,739.88x = 3,266,675,314.48
  5. Step 5: Solve for x
    x = 3,266,675,314.48/49,739.88
  6. Step 6: Final answer
    x = 65,675.17

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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.