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Finding the Fourth Proportional to 66,552.44, 99,669.89 and 36,896.72

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Solution

The fourth proportional to 66,552.44, 99,669.89 and 36,896.72 is: 55,257.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,552.44 : 99,669.89 = 36,896.72 : x
  2. Step 2: Convert to fraction form
    66,552.44/99,669.89 = 36,896.72/x
  3. Step 3: Cross multiply
    66,552.44x = 99,669.89 × 36,896.72
  4. Step 4: Simplify right side
    66,552.44x = 3,677,491,617.65
  5. Step 5: Solve for x
    x = 3,677,491,617.65/66,552.44
  6. Step 6: Final answer
    x = 55,257.06

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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.