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Finding the Fourth Proportional to 18,164.65, 27,250.07 and 6,319.32

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Solution

The fourth proportional to 18,164.65, 27,250.07 and 6,319.32 is: 9,480.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,164.65 : 27,250.07 = 6,319.32 : x
  2. Step 2: Convert to fraction form
    18,164.65/27,250.07 = 6,319.32/x
  3. Step 3: Cross multiply
    18,164.65x = 27,250.07 × 6,319.32
  4. Step 4: Simplify right side
    18,164.65x = 172,201,912.35
  5. Step 5: Solve for x
    x = 172,201,912.35/18,164.65
  6. Step 6: Final answer
    x = 9,480.06

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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.