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Finding the Fourth Proportional to 18,168.96, 27,252.90 and 5,022.12

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Solution

The fourth proportional to 18,168.96, 27,252.90 and 5,022.12 is: 7,533.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,168.96 : 27,252.90 = 5,022.12 : x
  2. Step 2: Convert to fraction form
    18,168.96/27,252.90 = 5,022.12/x
  3. Step 3: Cross multiply
    18,168.96x = 27,252.90 × 5,022.12
  4. Step 4: Simplify right side
    18,168.96x = 136,867,334.15
  5. Step 5: Solve for x
    x = 136,867,334.15/18,168.96
  6. Step 6: Final answer
    x = 7,533.03

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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.