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Finding the Fourth Proportional to 73,634.25, 110,451.39 and 18,230.25

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Solution

The fourth proportional to 73,634.25, 110,451.39 and 18,230.25 is: 27,345.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,634.25 : 110,451.39 = 18,230.25 : x
  2. Step 2: Convert to fraction form
    73,634.25/110,451.39 = 18,230.25/x
  3. Step 3: Cross multiply
    73,634.25x = 110,451.39 × 18,230.25
  4. Step 4: Simplify right side
    73,634.25x = 2,013,556,452.55
  5. Step 5: Solve for x
    x = 2,013,556,452.55/73,634.25
  6. Step 6: Final answer
    x = 27,345.38

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1.5x scale

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.