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Finding the Fourth Proportional to 33,505.92, 50,225.94 and 12,430.44

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Solution

The fourth proportional to 33,505.92, 50,225.94 and 12,430.44 is: 18,633.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,505.92 : 50,225.94 = 12,430.44 : x
  2. Step 2: Convert to fraction form
    33,505.92/50,225.94 = 12,430.44/x
  3. Step 3: Cross multiply
    33,505.92x = 50,225.94 × 12,430.44
  4. Step 4: Simplify right side
    33,505.92x = 624,330,533.61
  5. Step 5: Solve for x
    x = 624,330,533.61/33,505.92
  6. Step 6: Final answer
    x = 18,633.44

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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.