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Finding the Fourth Proportional to 48,581.86, 67,073.92 and 39,650.67

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Solution

The fourth proportional to 48,581.86, 67,073.92 and 39,650.67 is: 54,743.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,581.86 : 67,073.92 = 39,650.67 : x
  2. Step 2: Convert to fraction form
    48,581.86/67,073.92 = 39,650.67/x
  3. Step 3: Cross multiply
    48,581.86x = 67,073.92 × 39,650.67
  4. Step 4: Simplify right side
    48,581.86x = 2,659,525,867.53
  5. Step 5: Solve for x
    x = 2,659,525,867.53/48,581.86
  6. Step 6: Final answer
    x = 54,743.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.