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Finding the Fourth Proportional to 55,650.67, 76,801.67 and 31,443.24

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Solution

The fourth proportional to 55,650.67, 76,801.67 and 31,443.24 is: 43,393.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,650.67 : 76,801.67 = 31,443.24 : x
  2. Step 2: Convert to fraction form
    55,650.67/76,801.67 = 31,443.24/x
  3. Step 3: Cross multiply
    55,650.67x = 76,801.67 × 31,443.24
  4. Step 4: Simplify right side
    55,650.67x = 2,414,893,342.21
  5. Step 5: Solve for x
    x = 2,414,893,342.21/55,650.67
  6. Step 6: Final answer
    x = 43,393.79

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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.