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Finding the Fourth Proportional to 18,359.28, 27,523.35 and 7,273.80

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Solution

The fourth proportional to 18,359.28, 27,523.35 and 7,273.80 is: 10,904.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,359.28 : 27,523.35 = 7,273.80 : x
  2. Step 2: Convert to fraction form
    18,359.28/27,523.35 = 7,273.80/x
  3. Step 3: Cross multiply
    18,359.28x = 27,523.35 × 7,273.80
  4. Step 4: Simplify right side
    18,359.28x = 200,199,343.23
  5. Step 5: Solve for x
    x = 200,199,343.23/18,359.28
  6. Step 6: Final answer
    x = 10,904.53

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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.