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Finding the Fourth Proportional to 18,233.73, 27,401.90 and 10,839.51

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Solution

The fourth proportional to 18,233.73, 27,401.90 and 10,839.51 is: 16,289.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,233.73 : 27,401.90 = 10,839.51 : x
  2. Step 2: Convert to fraction form
    18,233.73/27,401.90 = 10,839.51/x
  3. Step 3: Cross multiply
    18,233.73x = 27,401.90 × 10,839.51
  4. Step 4: Simplify right side
    18,233.73x = 297,023,114.87
  5. Step 5: Solve for x
    x = 297,023,114.87/18,233.73
  6. Step 6: Final answer
    x = 16,289.76

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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.