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Finding the Fourth Proportional to 18,401.67, 27,606.86 and 5,922.41

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Solution

The fourth proportional to 18,401.67, 27,606.86 and 5,922.41 is: 8,885.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,401.67 : 27,606.86 = 5,922.41 : x
  2. Step 2: Convert to fraction form
    18,401.67/27,606.86 = 5,922.41/x
  3. Step 3: Cross multiply
    18,401.67x = 27,606.86 × 5,922.41
  4. Step 4: Simplify right side
    18,401.67x = 163,498,976.09
  5. Step 5: Solve for x
    x = 163,498,976.09/18,401.67
  6. Step 6: Final answer
    x = 8,885.01

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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.