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Finding the Fourth Proportional to 18,033.32, 27,049.98 and 7,503.14

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Solution

The fourth proportional to 18,033.32, 27,049.98 and 7,503.14 is: 11,254.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,033.32 : 27,049.98 = 7,503.14 : x
  2. Step 2: Convert to fraction form
    18,033.32/27,049.98 = 7,503.14/x
  3. Step 3: Cross multiply
    18,033.32x = 27,049.98 × 7,503.14
  4. Step 4: Simplify right side
    18,033.32x = 202,959,786.94
  5. Step 5: Solve for x
    x = 202,959,786.94/18,033.32
  6. Step 6: Final answer
    x = 11,254.71

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Similar ratio
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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.