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Finding the Fourth Proportional to 51,043.62, 76,401.63 and 27,291.81

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Solution

The fourth proportional to 51,043.62, 76,401.63 and 27,291.81 is: 40,850.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,043.62 : 76,401.63 = 27,291.81 : x
  2. Step 2: Convert to fraction form
    51,043.62/76,401.63 = 27,291.81/x
  3. Step 3: Cross multiply
    51,043.62x = 76,401.63 × 27,291.81
  4. Step 4: Simplify right side
    51,043.62x = 2,085,138,769.65
  5. Step 5: Solve for x
    x = 2,085,138,769.65/51,043.62
  6. Step 6: Final answer
    x = 40,850.14

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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.