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Finding the Fourth Proportional to 18,338.93, 27,473.02 and 10,949.30

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Solution

The fourth proportional to 18,338.93, 27,473.02 and 10,949.30 is: 16,402.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,338.93 : 27,473.02 = 10,949.30 : x
  2. Step 2: Convert to fraction form
    18,338.93/27,473.02 = 10,949.30/x
  3. Step 3: Cross multiply
    18,338.93x = 27,473.02 × 10,949.30
  4. Step 4: Simplify right side
    18,338.93x = 300,810,173.15
  5. Step 5: Solve for x
    x = 300,810,173.15/18,338.93
  6. Step 6: Final answer
    x = 16,402.82

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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.