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Finding the Fourth Proportional to 73,586.72, 110,369.70 and 23,660.47

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Solution

The fourth proportional to 73,586.72, 110,369.70 and 23,660.47 is: 35,487.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,586.72 : 110,369.70 = 23,660.47 : x
  2. Step 2: Convert to fraction form
    73,586.72/110,369.70 = 23,660.47/x
  3. Step 3: Cross multiply
    73,586.72x = 110,369.70 × 23,660.47
  4. Step 4: Simplify right side
    73,586.72x = 2,611,398,975.76
  5. Step 5: Solve for x
    x = 2,611,398,975.76/73,586.72
  6. Step 6: Final answer
    x = 35,487.37

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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.