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Finding the Fourth Proportional to 53,859.73, 80,801.16 and 16,422.88

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Solution

The fourth proportional to 53,859.73, 80,801.16 and 16,422.88 is: 24,637.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,859.73 : 80,801.16 = 16,422.88 : x
  2. Step 2: Convert to fraction form
    53,859.73/80,801.16 = 16,422.88/x
  3. Step 3: Cross multiply
    53,859.73x = 80,801.16 × 16,422.88
  4. Step 4: Simplify right side
    53,859.73x = 1,326,987,754.54
  5. Step 5: Solve for x
    x = 1,326,987,754.54/53,859.73
  6. Step 6: Final answer
    x = 24,637.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.