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Finding the Fourth Proportional to 69,432.72, 95,817.24 and 37,601.88

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Solution

The fourth proportional to 69,432.72, 95,817.24 and 37,601.88 is: 51,890.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,432.72 : 95,817.24 = 37,601.88 : x
  2. Step 2: Convert to fraction form
    69,432.72/95,817.24 = 37,601.88/x
  3. Step 3: Cross multiply
    69,432.72x = 95,817.24 × 37,601.88
  4. Step 4: Simplify right side
    69,432.72x = 3,602,908,360.41
  5. Step 5: Solve for x
    x = 3,602,908,360.41/69,432.72
  6. Step 6: Final answer
    x = 51,890.64

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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.