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Finding the Fourth Proportional to 17,080.52, 25,613.24 and 7,720.16

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Solution

The fourth proportional to 17,080.52, 25,613.24 and 7,720.16 is: 11,576.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,080.52 : 25,613.24 = 7,720.16 : x
  2. Step 2: Convert to fraction form
    17,080.52/25,613.24 = 7,720.16/x
  3. Step 3: Cross multiply
    17,080.52x = 25,613.24 × 7,720.16
  4. Step 4: Simplify right side
    17,080.52x = 197,738,310.04
  5. Step 5: Solve for x
    x = 197,738,310.04/17,080.52
  6. Step 6: Final answer
    x = 11,576.83

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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.