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Finding the Fourth Proportional to 16,452.86, 24,671.87 and 8,129.63

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Solution

The fourth proportional to 16,452.86, 24,671.87 and 8,129.63 is: 12,190.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,452.86 : 24,671.87 = 8,129.63 : x
  2. Step 2: Convert to fraction form
    16,452.86/24,671.87 = 8,129.63/x
  3. Step 3: Cross multiply
    16,452.86x = 24,671.87 × 8,129.63
  4. Step 4: Simplify right side
    16,452.86x = 200,573,010.50
  5. Step 5: Solve for x
    x = 200,573,010.50/16,452.86
  6. Step 6: Final answer
    x = 12,190.77

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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.