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Finding the Fourth Proportional to 18,141.78, 27,206.17 and 6,452.67

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Solution

The fourth proportional to 18,141.78, 27,206.17 and 6,452.67 is: 9,676.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,141.78 : 27,206.17 = 6,452.67 : x
  2. Step 2: Convert to fraction form
    18,141.78/27,206.17 = 6,452.67/x
  3. Step 3: Cross multiply
    18,141.78x = 27,206.17 × 6,452.67
  4. Step 4: Simplify right side
    18,141.78x = 175,552,436.97
  5. Step 5: Solve for x
    x = 175,552,436.97/18,141.78
  6. Step 6: Final answer
    x = 9,676.69

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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.