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Finding the Fourth Proportional to 18,175.14, 27,241.11 and 10,785.06

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Solution

The fourth proportional to 18,175.14, 27,241.11 and 10,785.06 is: 16,164.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,175.14 : 27,241.11 = 10,785.06 : x
  2. Step 2: Convert to fraction form
    18,175.14/27,241.11 = 10,785.06/x
  3. Step 3: Cross multiply
    18,175.14x = 27,241.11 × 10,785.06
  4. Step 4: Simplify right side
    18,175.14x = 293,797,005.82
  5. Step 5: Solve for x
    x = 293,797,005.82/18,175.14
  6. Step 6: Final answer
    x = 16,164.77

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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.