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Finding the Fourth Proportional to 18,365.22, 27,536.88 and 7,273.50

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Solution

The fourth proportional to 18,365.22, 27,536.88 and 7,273.50 is: 10,905.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,365.22 : 27,536.88 = 7,273.50 : x
  2. Step 2: Convert to fraction form
    18,365.22/27,536.88 = 7,273.50/x
  3. Step 3: Cross multiply
    18,365.22x = 27,536.88 × 7,273.50
  4. Step 4: Simplify right side
    18,365.22x = 200,289,496.68
  5. Step 5: Solve for x
    x = 200,289,496.68/18,365.22
  6. Step 6: Final answer
    x = 10,905.91

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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.