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Finding the Fourth Proportional to 53,799.25, 80,711.84 and 16,863.25

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Solution

The fourth proportional to 53,799.25, 80,711.84 and 16,863.25 is: 25,298.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,799.25 : 80,711.84 = 16,863.25 : x
  2. Step 2: Convert to fraction form
    53,799.25/80,711.84 = 16,863.25/x
  3. Step 3: Cross multiply
    53,799.25x = 80,711.84 × 16,863.25
  4. Step 4: Simplify right side
    53,799.25x = 1,361,063,935.88
  5. Step 5: Solve for x
    x = 1,361,063,935.88/53,799.25
  6. Step 6: Final answer
    x = 25,298.94

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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.