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Finding the Fourth Proportional to 17,080.46, 25,620.74 and 5,393.67

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Solution

The fourth proportional to 17,080.46, 25,620.74 and 5,393.67 is: 8,090.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,080.46 : 25,620.74 = 5,393.67 : x
  2. Step 2: Convert to fraction form
    17,080.46/25,620.74 = 5,393.67/x
  3. Step 3: Cross multiply
    17,080.46x = 25,620.74 × 5,393.67
  4. Step 4: Simplify right side
    17,080.46x = 138,189,789.75
  5. Step 5: Solve for x
    x = 138,189,789.75/17,080.46
  6. Step 6: Final answer
    x = 8,090.52

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Double scale
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Similar ratio
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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.