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Finding the Fourth Proportional to 18,218.04, 27,328.03 and 5,739.03

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Solution

The fourth proportional to 18,218.04, 27,328.03 and 5,739.03 is: 8,608.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,218.04 : 27,328.03 = 5,739.03 : x
  2. Step 2: Convert to fraction form
    18,218.04/27,328.03 = 5,739.03/x
  3. Step 3: Cross multiply
    18,218.04x = 27,328.03 × 5,739.03
  4. Step 4: Simplify right side
    18,218.04x = 156,836,472.14
  5. Step 5: Solve for x
    x = 156,836,472.14/18,218.04
  6. Step 6: Final answer
    x = 8,608.86

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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.