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Finding the Fourth Proportional to 18,322.74, 27,467.01 and 7,229.52

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Solution

The fourth proportional to 18,322.74, 27,467.01 and 7,229.52 is: 10,837.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,322.74 : 27,467.01 = 7,229.52 : x
  2. Step 2: Convert to fraction form
    18,322.74/27,467.01 = 7,229.52/x
  3. Step 3: Cross multiply
    18,322.74x = 27,467.01 × 7,229.52
  4. Step 4: Simplify right side
    18,322.74x = 198,573,298.14
  5. Step 5: Solve for x
    x = 198,573,298.14/18,322.74
  6. Step 6: Final answer
    x = 10,837.53

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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.