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Finding the Fourth Proportional to 17,276.23, 25,921.64 and 8,511.22

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Solution

The fourth proportional to 17,276.23, 25,921.64 and 8,511.22 is: 12,770.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,276.23 : 25,921.64 = 8,511.22 : x
  2. Step 2: Convert to fraction form
    17,276.23/25,921.64 = 8,511.22/x
  3. Step 3: Cross multiply
    17,276.23x = 25,921.64 × 8,511.22
  4. Step 4: Simplify right side
    17,276.23x = 220,624,780.80
  5. Step 5: Solve for x
    x = 220,624,780.80/17,276.23
  6. Step 6: Final answer
    x = 12,770.42

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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.