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Finding the Fourth Proportional to 73,995, 110,984.34 and 18,591

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Solution

The fourth proportional to 73,995, 110,984.34 and 18,591 is: 27,884.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,995 : 110,984.34 = 18,591 : x
  2. Step 2: Convert to fraction form
    73,995/110,984.34 = 18,591/x
  3. Step 3: Cross multiply
    73,995x = 110,984.34 × 18,591
  4. Step 4: Simplify right side
    73,995x = 2,063,309,864.94
  5. Step 5: Solve for x
    x = 2,063,309,864.94/73,995
  6. Step 6: Final answer
    x = 27,884.45

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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.