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Finding the Fourth Proportional to 18,234.28, 27,408.52 and 12,034.14

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Solution

The fourth proportional to 18,234.28, 27,408.52 and 12,034.14 is: 18,088.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,234.28 : 27,408.52 = 12,034.14 : x
  2. Step 2: Convert to fraction form
    18,234.28/27,408.52 = 12,034.14/x
  3. Step 3: Cross multiply
    18,234.28x = 27,408.52 × 12,034.14
  4. Step 4: Simplify right side
    18,234.28x = 329,837,966.87
  5. Step 5: Solve for x
    x = 329,837,966.87/18,234.28
  6. Step 6: Final answer
    x = 18,088.89

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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.