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Finding the Fourth Proportional to 33,482.67, 50,188.60 and 12,121.14

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Solution

The fourth proportional to 33,482.67, 50,188.60 and 12,121.14 is: 18,168.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,482.67 : 50,188.60 = 12,121.14 : x
  2. Step 2: Convert to fraction form
    33,482.67/50,188.60 = 12,121.14/x
  3. Step 3: Cross multiply
    33,482.67x = 50,188.60 × 12,121.14
  4. Step 4: Simplify right side
    33,482.67x = 608,343,047.00
  5. Step 5: Solve for x
    x = 608,343,047.00/33,482.67
  6. Step 6: Final answer
    x = 18,168.89

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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.