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Finding the Fourth Proportional to 18,162.92, 27,242.35 and 6,314.65

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Solution

The fourth proportional to 18,162.92, 27,242.35 and 6,314.65 is: 9,471.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,162.92 : 27,242.35 = 6,314.65 : x
  2. Step 2: Convert to fraction form
    18,162.92/27,242.35 = 6,314.65/x
  3. Step 3: Cross multiply
    18,162.92x = 27,242.35 × 6,314.65
  4. Step 4: Simplify right side
    18,162.92x = 172,025,821.54
  5. Step 5: Solve for x
    x = 172,025,821.54/18,162.92
  6. Step 6: Final answer
    x = 9,471.26

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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.