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Finding the Fourth Proportional to 33,423.20, 50,134.80 and 14,955.20

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Solution

The fourth proportional to 33,423.20, 50,134.80 and 14,955.20 is: 22,432.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,423.20 : 50,134.80 = 14,955.20 : x
  2. Step 2: Convert to fraction form
    33,423.20/50,134.80 = 14,955.20/x
  3. Step 3: Cross multiply
    33,423.20x = 50,134.80 × 14,955.20
  4. Step 4: Simplify right side
    33,423.20x = 749,775,960.96
  5. Step 5: Solve for x
    x = 749,775,960.96/33,423.20
  6. Step 6: Final answer
    x = 22,432.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.