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Finding the Fourth Proportional to 18,301.70, 27,452.55 and 4,450.70

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Solution

The fourth proportional to 18,301.70, 27,452.55 and 4,450.70 is: 6,676.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,301.70 : 27,452.55 = 4,450.70 : x
  2. Step 2: Convert to fraction form
    18,301.70/27,452.55 = 4,450.70/x
  3. Step 3: Cross multiply
    18,301.70x = 27,452.55 × 4,450.70
  4. Step 4: Simplify right side
    18,301.70x = 122,183,064.29
  5. Step 5: Solve for x
    x = 122,183,064.29/18,301.70
  6. Step 6: Final answer
    x = 6,676.05

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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.