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Finding the Fourth Proportional to 66,528.62, 99,792.54 and 16,608.62

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Solution

The fourth proportional to 66,528.62, 99,792.54 and 16,608.62 is: 24,912.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,528.62 : 99,792.54 = 16,608.62 : x
  2. Step 2: Convert to fraction form
    66,528.62/99,792.54 = 16,608.62/x
  3. Step 3: Cross multiply
    66,528.62x = 99,792.54 × 16,608.62
  4. Step 4: Simplify right side
    66,528.62x = 1,657,416,375.69
  5. Step 5: Solve for x
    x = 1,657,416,375.69/66,528.62
  6. Step 6: Final answer
    x = 24,912.83

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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.