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Finding the Fourth Proportional to 18,418.01, 27,608.52 and 5,928.86

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Solution

The fourth proportional to 18,418.01, 27,608.52 and 5,928.86 is: 8,887.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,418.01 : 27,608.52 = 5,928.86 : x
  2. Step 2: Convert to fraction form
    18,418.01/27,608.52 = 5,928.86/x
  3. Step 3: Cross multiply
    18,418.01x = 27,608.52 × 5,928.86
  4. Step 4: Simplify right side
    18,418.01x = 163,687,049.89
  5. Step 5: Solve for x
    x = 163,687,049.89/18,418.01
  6. Step 6: Final answer
    x = 8,887.34

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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.