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Finding the Fourth Proportional to 53,862, 80,795.88 and 16,928.88

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Solution

The fourth proportional to 53,862, 80,795.88 and 16,928.88 is: 25,394.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,862 : 80,795.88 = 16,928.88 : x
  2. Step 2: Convert to fraction form
    53,862/80,795.88 = 16,928.88/x
  3. Step 3: Cross multiply
    53,862x = 80,795.88 × 16,928.88
  4. Step 4: Simplify right side
    53,862x = 1,367,783,757.01
  5. Step 5: Solve for x
    x = 1,367,783,757.01/53,862
  6. Step 6: Final answer
    x = 25,394.23

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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.