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Finding the Fourth Proportional to 17,722.60, 26,583.96 and 8,359.60

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Solution

The fourth proportional to 17,722.60, 26,583.96 and 8,359.60 is: 12,539.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,722.60 : 26,583.96 = 8,359.60 : x
  2. Step 2: Convert to fraction form
    17,722.60/26,583.96 = 8,359.60/x
  3. Step 3: Cross multiply
    17,722.60x = 26,583.96 × 8,359.60
  4. Step 4: Simplify right side
    17,722.60x = 222,231,272.02
  5. Step 5: Solve for x
    x = 222,231,272.02/17,722.60
  6. Step 6: Final answer
    x = 12,539.43

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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.