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Finding the Fourth Proportional to 39,993.86, 59,864.98 and 27,440.48

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Solution

The fourth proportional to 39,993.86, 59,864.98 and 27,440.48 is: 41,074.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,993.86 : 59,864.98 = 27,440.48 : x
  2. Step 2: Convert to fraction form
    39,993.86/59,864.98 = 27,440.48/x
  3. Step 3: Cross multiply
    39,993.86x = 59,864.98 × 27,440.48
  4. Step 4: Simplify right side
    39,993.86x = 1,642,723,786.39
  5. Step 5: Solve for x
    x = 1,642,723,786.39/39,993.86
  6. Step 6: Final answer
    x = 41,074.40

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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.