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Finding the Fourth Proportional to 27,153.44, 40,736.52 and 8,432.52

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Solution

The fourth proportional to 27,153.44, 40,736.52 and 8,432.52 is: 12,650.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,153.44 : 40,736.52 = 8,432.52 : x
  2. Step 2: Convert to fraction form
    27,153.44/40,736.52 = 8,432.52/x
  3. Step 3: Cross multiply
    27,153.44x = 40,736.52 × 8,432.52
  4. Step 4: Simplify right side
    27,153.44x = 343,511,519.63
  5. Step 5: Solve for x
    x = 343,511,519.63/27,153.44
  6. Step 6: Final answer
    x = 12,650.76

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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.