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Finding the Fourth Proportional to 18,230.71, 27,346.41 and 5,751.16

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Solution

The fourth proportional to 18,230.71, 27,346.41 and 5,751.16 is: 8,626.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,230.71 : 27,346.41 = 5,751.16 : x
  2. Step 2: Convert to fraction form
    18,230.71/27,346.41 = 5,751.16/x
  3. Step 3: Cross multiply
    18,230.71x = 27,346.41 × 5,751.16
  4. Step 4: Simplify right side
    18,230.71x = 157,273,579.34
  5. Step 5: Solve for x
    x = 157,273,579.34/18,230.71
  6. Step 6: Final answer
    x = 8,626.85

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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.