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Finding the Fourth Proportional to 47,969.70, 71,954.55 and 25,793.52

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Solution

The fourth proportional to 47,969.70, 71,954.55 and 25,793.52 is: 38,690.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,969.70 : 71,954.55 = 25,793.52 : x
  2. Step 2: Convert to fraction form
    47,969.70/71,954.55 = 25,793.52/x
  3. Step 3: Cross multiply
    47,969.70x = 71,954.55 × 25,793.52
  4. Step 4: Simplify right side
    47,969.70x = 1,855,961,124.52
  5. Step 5: Solve for x
    x = 1,855,961,124.52/47,969.70
  6. Step 6: Final answer
    x = 38,690.28

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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.