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Finding the Fourth Proportional to 18,013.44, 27,005.58 and 6,914.46

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Solution

The fourth proportional to 18,013.44, 27,005.58 and 6,914.46 is: 10,366.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,013.44 : 27,005.58 = 6,914.46 : x
  2. Step 2: Convert to fraction form
    18,013.44/27,005.58 = 6,914.46/x
  3. Step 3: Cross multiply
    18,013.44x = 27,005.58 × 6,914.46
  4. Step 4: Simplify right side
    18,013.44x = 186,729,002.69
  5. Step 5: Solve for x
    x = 186,729,002.69/18,013.44
  6. Step 6: Final answer
    x = 10,366.09

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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.