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Finding the Fourth Proportional to 33,333.60, 50,000.40 and 13,601.40

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Solution

The fourth proportional to 33,333.60, 50,000.40 and 13,601.40 is: 20,402.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,333.60 : 50,000.40 = 13,601.40 : x
  2. Step 2: Convert to fraction form
    33,333.60/50,000.40 = 13,601.40/x
  3. Step 3: Cross multiply
    33,333.60x = 50,000.40 × 13,601.40
  4. Step 4: Simplify right side
    33,333.60x = 680,075,440.56
  5. Step 5: Solve for x
    x = 680,075,440.56/33,333.60
  6. Step 6: Final answer
    x = 20,402.10

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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.