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Finding the Fourth Proportional to 73,693.10, 110,512.65 and 23,786.30

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Solution

The fourth proportional to 73,693.10, 110,512.65 and 23,786.30 is: 35,670.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,693.10 : 110,512.65 = 23,786.30 : x
  2. Step 2: Convert to fraction form
    73,693.10/110,512.65 = 23,786.30/x
  3. Step 3: Cross multiply
    73,693.10x = 110,512.65 × 23,786.30
  4. Step 4: Simplify right side
    73,693.10x = 2,628,687,046.70
  5. Step 5: Solve for x
    x = 2,628,687,046.70/73,693.10
  6. Step 6: Final answer
    x = 35,670.74

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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.