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Finding the Fourth Proportional to 15,609.38, 23,414.09 and 6,375.38

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Solution

The fourth proportional to 15,609.38, 23,414.09 and 6,375.38 is: 9,563.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,609.38 : 23,414.09 = 6,375.38 : x
  2. Step 2: Convert to fraction form
    15,609.38/23,414.09 = 6,375.38/x
  3. Step 3: Cross multiply
    15,609.38x = 23,414.09 × 6,375.38
  4. Step 4: Simplify right side
    15,609.38x = 149,273,572.16
  5. Step 5: Solve for x
    x = 149,273,572.16/15,609.38
  6. Step 6: Final answer
    x = 9,563.07

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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.