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Finding the Fourth Proportional to 18,362.58, 27,544.05 and 7,271.97

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Solution

The fourth proportional to 18,362.58, 27,544.05 and 7,271.97 is: 10,908.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,362.58 : 27,544.05 = 7,271.97 : x
  2. Step 2: Convert to fraction form
    18,362.58/27,544.05 = 7,271.97/x
  3. Step 3: Cross multiply
    18,362.58x = 27,544.05 × 7,271.97
  4. Step 4: Simplify right side
    18,362.58x = 200,299,505.28
  5. Step 5: Solve for x
    x = 200,299,505.28/18,362.58
  6. Step 6: Final answer
    x = 10,908.03

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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.