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Finding the Fourth Proportional to 5,748.38, 8,620.89 and 2,626.73

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Solution

The fourth proportional to 5,748.38, 8,620.89 and 2,626.73 is: 3,939.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,748.38 : 8,620.89 = 2,626.73 : x
  2. Step 2: Convert to fraction form
    5,748.38/8,620.89 = 2,626.73/x
  3. Step 3: Cross multiply
    5,748.38x = 8,620.89 × 2,626.73
  4. Step 4: Simplify right side
    5,748.38x = 22,644,707.29
  5. Step 5: Solve for x
    x = 22,644,707.29/5,748.38
  6. Step 6: Final answer
    x = 3,939.32

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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.