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Finding the Fourth Proportional to 40,647.28, 60,975.04 and 11,067.44

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Solution

The fourth proportional to 40,647.28, 60,975.04 and 11,067.44 is: 16,602.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,647.28 : 60,975.04 = 11,067.44 : x
  2. Step 2: Convert to fraction form
    40,647.28/60,975.04 = 11,067.44/x
  3. Step 3: Cross multiply
    40,647.28x = 60,975.04 × 11,067.44
  4. Step 4: Simplify right side
    40,647.28x = 674,837,596.70
  5. Step 5: Solve for x
    x = 674,837,596.70/40,647.28
  6. Step 6: Final answer
    x = 16,602.28

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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.