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Finding the Fourth Proportional to 49,016, 67,643.16 and 26,660

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Solution

The fourth proportional to 49,016, 67,643.16 and 26,660 is: 36,791.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,016 : 67,643.16 = 26,660 : x
  2. Step 2: Convert to fraction form
    49,016/67,643.16 = 26,660/x
  3. Step 3: Cross multiply
    49,016x = 67,643.16 × 26,660
  4. Step 4: Simplify right side
    49,016x = 1,803,366,645.60
  5. Step 5: Solve for x
    x = 1,803,366,645.60/49,016
  6. Step 6: Final answer
    x = 36,791.39

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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.