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Finding the Fourth Proportional to 55,755.54, 76,935.02 and 31,883.83

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Solution

The fourth proportional to 55,755.54, 76,935.02 and 31,883.83 is: 43,995.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,755.54 : 76,935.02 = 31,883.83 : x
  2. Step 2: Convert to fraction form
    55,755.54/76,935.02 = 31,883.83/x
  3. Step 3: Cross multiply
    55,755.54x = 76,935.02 × 31,883.83
  4. Step 4: Simplify right side
    55,755.54x = 2,452,982,746.97
  5. Step 5: Solve for x
    x = 2,452,982,746.97/55,755.54
  6. Step 6: Final answer
    x = 43,995.32

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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.