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Finding the Fourth Proportional to 69,205.72, 95,503.89 and 37,374.61

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Solution

The fourth proportional to 69,205.72, 95,503.89 and 37,374.61 is: 51,576.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,205.72 : 95,503.89 = 37,374.61 : x
  2. Step 2: Convert to fraction form
    69,205.72/95,503.89 = 37,374.61/x
  3. Step 3: Cross multiply
    69,205.72x = 95,503.89 × 37,374.61
  4. Step 4: Simplify right side
    69,205.72x = 3,569,420,694.12
  5. Step 5: Solve for x
    x = 3,569,420,694.12/69,205.72
  6. Step 6: Final answer
    x = 51,576.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.