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Finding the Fourth Proportional to 27,793.51, 41,679.63 and 13,748.71

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Solution

The fourth proportional to 27,793.51, 41,679.63 and 13,748.71 is: 20,617.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,793.51 : 41,679.63 = 13,748.71 : x
  2. Step 2: Convert to fraction form
    27,793.51/41,679.63 = 13,748.71/x
  3. Step 3: Cross multiply
    27,793.51x = 41,679.63 × 13,748.71
  4. Step 4: Simplify right side
    27,793.51x = 573,041,145.78
  5. Step 5: Solve for x
    x = 573,041,145.78/27,793.51
  6. Step 6: Final answer
    x = 20,617.80

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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.