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Finding the Fourth Proportional to 49,165.58, 73,748.42 and 21,067.41

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Solution

The fourth proportional to 49,165.58, 73,748.42 and 21,067.41 is: 31,601.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,165.58 : 73,748.42 = 21,067.41 : x
  2. Step 2: Convert to fraction form
    49,165.58/73,748.42 = 21,067.41/x
  3. Step 3: Cross multiply
    49,165.58x = 73,748.42 × 21,067.41
  4. Step 4: Simplify right side
    49,165.58x = 1,553,688,095.66
  5. Step 5: Solve for x
    x = 1,553,688,095.66/49,165.58
  6. Step 6: Final answer
    x = 31,601.14

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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.