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Finding the Fourth Proportional to 40,340.52, 60,471.90 and 27,163.48

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Solution

The fourth proportional to 40,340.52, 60,471.90 and 27,163.48 is: 40,719.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,340.52 : 60,471.90 = 27,163.48 : x
  2. Step 2: Convert to fraction form
    40,340.52/60,471.90 = 27,163.48/x
  3. Step 3: Cross multiply
    40,340.52x = 60,471.90 × 27,163.48
  4. Step 4: Simplify right side
    40,340.52x = 1,642,627,246.21
  5. Step 5: Solve for x
    x = 1,642,627,246.21/40,340.52
  6. Step 6: Final answer
    x = 40,719.04

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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.