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Finding the Fourth Proportional to 18,150.12, 27,201.29 and 16,966.30

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Solution

The fourth proportional to 18,150.12, 27,201.29 and 16,966.30 is: 25,427.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,150.12 : 27,201.29 = 16,966.30 : x
  2. Step 2: Convert to fraction form
    18,150.12/27,201.29 = 16,966.30/x
  3. Step 3: Cross multiply
    18,150.12x = 27,201.29 × 16,966.30
  4. Step 4: Simplify right side
    18,150.12x = 461,505,246.53
  5. Step 5: Solve for x
    x = 461,505,246.53/18,150.12
  6. Step 6: Final answer
    x = 25,427.12

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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.