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Finding the Fourth Proportional to 49,212, 67,914 and 26,857.44

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Solution

The fourth proportional to 49,212, 67,914 and 26,857.44 is: 37,064.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,212 : 67,914 = 26,857.44 : x
  2. Step 2: Convert to fraction form
    49,212/67,914 = 26,857.44/x
  3. Step 3: Cross multiply
    49,212x = 67,914 × 26,857.44
  4. Step 4: Simplify right side
    49,212x = 1,823,996,180.16
  5. Step 5: Solve for x
    x = 1,823,996,180.16/49,212
  6. Step 6: Final answer
    x = 37,064.05

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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.