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Finding the Fourth Proportional to 23,169.62, 34,755.24 and 8,379.02

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Solution

The fourth proportional to 23,169.62, 34,755.24 and 8,379.02 is: 12,568.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,169.62 : 34,755.24 = 8,379.02 : x
  2. Step 2: Convert to fraction form
    23,169.62/34,755.24 = 8,379.02/x
  3. Step 3: Cross multiply
    23,169.62x = 34,755.24 × 8,379.02
  4. Step 4: Simplify right side
    23,169.62x = 291,214,851.06
  5. Step 5: Solve for x
    x = 291,214,851.06/23,169.62
  6. Step 6: Final answer
    x = 12,568.82

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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.