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Finding the Fourth Proportional to 66,472.71, 99,625.89 and 33,202.06

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Solution

The fourth proportional to 66,472.71, 99,625.89 and 33,202.06 is: 49,761.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,472.71 : 99,625.89 = 33,202.06 : x
  2. Step 2: Convert to fraction form
    66,472.71/99,625.89 = 33,202.06/x
  3. Step 3: Cross multiply
    66,472.71x = 99,625.89 × 33,202.06
  4. Step 4: Simplify right side
    66,472.71x = 3,307,784,777.33
  5. Step 5: Solve for x
    x = 3,307,784,777.33/66,472.71
  6. Step 6: Final answer
    x = 49,761.55

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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.