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Finding the Fourth Proportional to 66,516.53, 99,793.02 and 33,196.37

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Solution

The fourth proportional to 66,516.53, 99,793.02 and 33,196.37 is: 49,803.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,516.53 : 99,793.02 = 33,196.37 : x
  2. Step 2: Convert to fraction form
    66,516.53/99,793.02 = 33,196.37/x
  3. Step 3: Cross multiply
    66,516.53x = 99,793.02 × 33,196.37
  4. Step 4: Simplify right side
    66,516.53x = 3,312,766,015.34
  5. Step 5: Solve for x
    x = 3,312,766,015.34/66,516.53
  6. Step 6: Final answer
    x = 49,803.65

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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.