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Finding the Fourth Proportional to 17,231.30, 25,843.50 and 4,748.12

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Solution

The fourth proportional to 17,231.30, 25,843.50 and 4,748.12 is: 7,121.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,231.30 : 25,843.50 = 4,748.12 : x
  2. Step 2: Convert to fraction form
    17,231.30/25,843.50 = 4,748.12/x
  3. Step 3: Cross multiply
    17,231.30x = 25,843.50 × 4,748.12
  4. Step 4: Simplify right side
    17,231.30x = 122,708,039.22
  5. Step 5: Solve for x
    x = 122,708,039.22/17,231.30
  6. Step 6: Final answer
    x = 7,121.23

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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.