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Finding the Fourth Proportional to 43,589.25, 65,383.88 and 10,757.25

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Solution

The fourth proportional to 43,589.25, 65,383.88 and 10,757.25 is: 16,135.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,589.25 : 65,383.88 = 10,757.25 : x
  2. Step 2: Convert to fraction form
    43,589.25/65,383.88 = 10,757.25/x
  3. Step 3: Cross multiply
    43,589.25x = 65,383.88 × 10,757.25
  4. Step 4: Simplify right side
    43,589.25x = 703,350,689.34
  5. Step 5: Solve for x
    x = 703,350,689.34/43,589.25
  6. Step 6: Final answer
    x = 16,135.88

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1.5x scale

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.