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Finding the Fourth Proportional to 73,586.62, 110,381 and 20,996.12

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Solution

The fourth proportional to 73,586.62, 110,381 and 20,996.12 is: 31,494.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,586.62 : 110,381 = 20,996.12 : x
  2. Step 2: Convert to fraction form
    73,586.62/110,381 = 20,996.12/x
  3. Step 3: Cross multiply
    73,586.62x = 110,381 × 20,996.12
  4. Step 4: Simplify right side
    73,586.62x = 2,317,572,721.72
  5. Step 5: Solve for x
    x = 2,317,572,721.72/73,586.62
  6. Step 6: Final answer
    x = 31,494.49

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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.