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Finding the Fourth Proportional to 33,939.60, 50,923.80 and 16,400.40

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Solution

The fourth proportional to 33,939.60, 50,923.80 and 16,400.40 is: 24,607.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,939.60 : 50,923.80 = 16,400.40 : x
  2. Step 2: Convert to fraction form
    33,939.60/50,923.80 = 16,400.40/x
  3. Step 3: Cross multiply
    33,939.60x = 50,923.80 × 16,400.40
  4. Step 4: Simplify right side
    33,939.60x = 835,170,689.52
  5. Step 5: Solve for x
    x = 835,170,689.52/33,939.60
  6. Step 6: Final answer
    x = 24,607.56

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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.