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Finding the Fourth Proportional to 18,096.30, 27,132.30 and 8,740.80

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Solution

The fourth proportional to 18,096.30, 27,132.30 and 8,740.80 is: 13,105.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,096.30 : 27,132.30 = 8,740.80 : x
  2. Step 2: Convert to fraction form
    18,096.30/27,132.30 = 8,740.80/x
  3. Step 3: Cross multiply
    18,096.30x = 27,132.30 × 8,740.80
  4. Step 4: Simplify right side
    18,096.30x = 237,158,007.84
  5. Step 5: Solve for x
    x = 237,158,007.84/18,096.30
  6. Step 6: Final answer
    x = 13,105.33

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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.