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Finding the Fourth Proportional to 18,475.70, 27,708.48 and 6,627.27

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Solution

The fourth proportional to 18,475.70, 27,708.48 and 6,627.27 is: 9,939.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,475.70 : 27,708.48 = 6,627.27 : x
  2. Step 2: Convert to fraction form
    18,475.70/27,708.48 = 6,627.27/x
  3. Step 3: Cross multiply
    18,475.70x = 27,708.48 × 6,627.27
  4. Step 4: Simplify right side
    18,475.70x = 183,631,578.25
  5. Step 5: Solve for x
    x = 183,631,578.25/18,475.70
  6. Step 6: Final answer
    x = 9,939.09

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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.