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Finding the Fourth Proportional to 5,923.44, 8,874.72 and 5,279.92

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Solution

The fourth proportional to 5,923.44, 8,874.72 and 5,279.92 is: 7,910.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,923.44 : 8,874.72 = 5,279.92 : x
  2. Step 2: Convert to fraction form
    5,923.44/8,874.72 = 5,279.92/x
  3. Step 3: Cross multiply
    5,923.44x = 8,874.72 × 5,279.92
  4. Step 4: Simplify right side
    5,923.44x = 46,857,811.62
  5. Step 5: Solve for x
    x = 46,857,811.62/5,923.44
  6. Step 6: Final answer
    x = 7,910.57

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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.