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Finding the Fourth Proportional to 18,066.54, 27,099.48 and 7,542.22

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Solution

The fourth proportional to 18,066.54, 27,099.48 and 7,542.22 is: 11,313.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,066.54 : 27,099.48 = 7,542.22 : x
  2. Step 2: Convert to fraction form
    18,066.54/27,099.48 = 7,542.22/x
  3. Step 3: Cross multiply
    18,066.54x = 27,099.48 × 7,542.22
  4. Step 4: Simplify right side
    18,066.54x = 204,390,240.05
  5. Step 5: Solve for x
    x = 204,390,240.05/18,066.54
  6. Step 6: Final answer
    x = 11,313.19

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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.