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Finding the Fourth Proportional to 73,400.72, 110,091.96 and 23,486

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Solution

The fourth proportional to 73,400.72, 110,091.96 and 23,486 is: 35,226.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,400.72 : 110,091.96 = 23,486 : x
  2. Step 2: Convert to fraction form
    73,400.72/110,091.96 = 23,486/x
  3. Step 3: Cross multiply
    73,400.72x = 110,091.96 × 23,486
  4. Step 4: Simplify right side
    73,400.72x = 2,585,619,772.56
  5. Step 5: Solve for x
    x = 2,585,619,772.56/73,400.72
  6. Step 6: Final answer
    x = 35,226.08

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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.