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Finding the Fourth Proportional to 47,418.99, 71,168.39 and 23,719.43

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Solution

The fourth proportional to 47,418.99, 71,168.39 and 23,719.43 is: 35,599.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,418.99 : 71,168.39 = 23,719.43 : x
  2. Step 2: Convert to fraction form
    47,418.99/71,168.39 = 23,719.43/x
  3. Step 3: Cross multiply
    47,418.99x = 71,168.39 × 23,719.43
  4. Step 4: Simplify right side
    47,418.99x = 1,688,073,793.09
  5. Step 5: Solve for x
    x = 1,688,073,793.09/47,418.99
  6. Step 6: Final answer
    x = 35,599.11

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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.