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Finding the Fourth Proportional to 15,034.83, 20,757.48 and 9,659.43

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Solution

The fourth proportional to 15,034.83, 20,757.48 and 9,659.43 is: 13,336.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,034.83 : 20,757.48 = 9,659.43 : x
  2. Step 2: Convert to fraction form
    15,034.83/20,757.48 = 9,659.43/x
  3. Step 3: Cross multiply
    15,034.83x = 20,757.48 × 9,659.43
  4. Step 4: Simplify right side
    15,034.83x = 200,505,425.04
  5. Step 5: Solve for x
    x = 200,505,425.04/15,034.83
  6. Step 6: Final answer
    x = 13,336.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.