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Finding the Fourth Proportional to 47,956.03, 71,954.78 and 25,743.47

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Solution

The fourth proportional to 47,956.03, 71,954.78 and 25,743.47 is: 38,626.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,956.03 : 71,954.78 = 25,743.47 : x
  2. Step 2: Convert to fraction form
    47,956.03/71,954.78 = 25,743.47/x
  3. Step 3: Cross multiply
    47,956.03x = 71,954.78 × 25,743.47
  4. Step 4: Simplify right side
    47,956.03x = 1,852,365,781.35
  5. Step 5: Solve for x
    x = 1,852,365,781.35/47,956.03
  6. Step 6: Final answer
    x = 38,626.33

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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.