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Finding the Fourth Proportional to 66,469.01, 99,747.83 and 34,477.57

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Solution

The fourth proportional to 66,469.01, 99,747.83 and 34,477.57 is: 51,739.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,469.01 : 99,747.83 = 34,477.57 : x
  2. Step 2: Convert to fraction form
    66,469.01/99,747.83 = 34,477.57/x
  3. Step 3: Cross multiply
    66,469.01x = 99,747.83 × 34,477.57
  4. Step 4: Simplify right side
    66,469.01x = 3,439,062,872.76
  5. Step 5: Solve for x
    x = 3,439,062,872.76/66,469.01
  6. Step 6: Final answer
    x = 51,739.34

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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.