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Finding the Fourth Proportional to 41,387.72, 62,081.48 and 15,081.72

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Solution

The fourth proportional to 41,387.72, 62,081.48 and 15,081.72 is: 22,622.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,387.72 : 62,081.48 = 15,081.72 : x
  2. Step 2: Convert to fraction form
    41,387.72/62,081.48 = 15,081.72/x
  3. Step 3: Cross multiply
    41,387.72x = 62,081.48 × 15,081.72
  4. Step 4: Simplify right side
    41,387.72x = 936,295,498.55
  5. Step 5: Solve for x
    x = 936,295,498.55/41,387.72
  6. Step 6: Final answer
    x = 22,622.54

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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.