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Finding the Fourth Proportional to 18,170.73, 27,256.10 and 5,022.09

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Solution

The fourth proportional to 18,170.73, 27,256.10 and 5,022.09 is: 7,533.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,170.73 : 27,256.10 = 5,022.09 : x
  2. Step 2: Convert to fraction form
    18,170.73/27,256.10 = 5,022.09/x
  3. Step 3: Cross multiply
    18,170.73x = 27,256.10 × 5,022.09
  4. Step 4: Simplify right side
    18,170.73x = 136,882,562.14
  5. Step 5: Solve for x
    x = 136,882,562.14/18,170.73
  6. Step 6: Final answer
    x = 7,533.14

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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.