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Finding the Fourth Proportional to 23,765.86, 35,661.09 and 12,079.09

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Solution

The fourth proportional to 23,765.86, 35,661.09 and 12,079.09 is: 18,124.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,765.86 : 35,661.09 = 12,079.09 : x
  2. Step 2: Convert to fraction form
    23,765.86/35,661.09 = 12,079.09/x
  3. Step 3: Cross multiply
    23,765.86x = 35,661.09 × 12,079.09
  4. Step 4: Simplify right side
    23,765.86x = 430,753,337.30
  5. Step 5: Solve for x
    x = 430,753,337.30/23,765.86
  6. Step 6: Final answer
    x = 18,124.88

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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.