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Finding the Fourth Proportional to 53,394.49, 80,103.23 and 15,957.61

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Solution

The fourth proportional to 53,394.49, 80,103.23 and 15,957.61 is: 23,939.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,394.49 : 80,103.23 = 15,957.61 : x
  2. Step 2: Convert to fraction form
    53,394.49/80,103.23 = 15,957.61/x
  3. Step 3: Cross multiply
    53,394.49x = 80,103.23 × 15,957.61
  4. Step 4: Simplify right side
    53,394.49x = 1,278,255,883.88
  5. Step 5: Solve for x
    x = 1,278,255,883.88/53,394.49
  6. Step 6: Final answer
    x = 23,939.85

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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.