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Finding the Fourth Proportional to 17,226.40, 25,844.40 and 8,461.60

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Solution

The fourth proportional to 17,226.40, 25,844.40 and 8,461.60 is: 12,694.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,226.40 : 25,844.40 = 8,461.60 : x
  2. Step 2: Convert to fraction form
    17,226.40/25,844.40 = 8,461.60/x
  3. Step 3: Cross multiply
    17,226.40x = 25,844.40 × 8,461.60
  4. Step 4: Simplify right side
    17,226.40x = 218,684,975.04
  5. Step 5: Solve for x
    x = 218,684,975.04/17,226.40
  6. Step 6: Final answer
    x = 12,694.76

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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.