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Finding the Fourth Proportional to 18,107.16, 27,164.50 and 5,626.84

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Solution

The fourth proportional to 18,107.16, 27,164.50 and 5,626.84 is: 8,441.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,107.16 : 27,164.50 = 5,626.84 : x
  2. Step 2: Convert to fraction form
    18,107.16/27,164.50 = 5,626.84/x
  3. Step 3: Cross multiply
    18,107.16x = 27,164.50 × 5,626.84
  4. Step 4: Simplify right side
    18,107.16x = 152,850,295.18
  5. Step 5: Solve for x
    x = 152,850,295.18/18,107.16
  6. Step 6: Final answer
    x = 8,441.43

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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.