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Finding the Fourth Proportional to 18,236.60, 27,338.70 and 16,268.30

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Solution

The fourth proportional to 18,236.60, 27,338.70 and 16,268.30 is: 24,388.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,236.60 : 27,338.70 = 16,268.30 : x
  2. Step 2: Convert to fraction form
    18,236.60/27,338.70 = 16,268.30/x
  3. Step 3: Cross multiply
    18,236.60x = 27,338.70 × 16,268.30
  4. Step 4: Simplify right side
    18,236.60x = 444,754,173.21
  5. Step 5: Solve for x
    x = 444,754,173.21/18,236.60
  6. Step 6: Final answer
    x = 24,388.00

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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.