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Finding the Fourth Proportional to 62,883.36, 86,805 and 37,728

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Solution

The fourth proportional to 62,883.36, 86,805 and 37,728 is: 52,080.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,883.36 : 86,805 = 37,728 : x
  2. Step 2: Convert to fraction form
    62,883.36/86,805 = 37,728/x
  3. Step 3: Cross multiply
    62,883.36x = 86,805 × 37,728
  4. Step 4: Simplify right side
    62,883.36x = 3,274,979,040
  5. Step 5: Solve for x
    x = 3,274,979,040/62,883.36
  6. Step 6: Final answer
    x = 52,080.22

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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.