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Finding the Fourth Proportional to 33,607.86, 50,442.90 and 16,979.59

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Solution

The fourth proportional to 33,607.86, 50,442.90 and 16,979.59 is: 25,485.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,607.86 : 50,442.90 = 16,979.59 : x
  2. Step 2: Convert to fraction form
    33,607.86/50,442.90 = 16,979.59/x
  3. Step 3: Cross multiply
    33,607.86x = 50,442.90 × 16,979.59
  4. Step 4: Simplify right side
    33,607.86x = 856,499,760.41
  5. Step 5: Solve for x
    x = 856,499,760.41/33,607.86
  6. Step 6: Final answer
    x = 25,485.10

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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.