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Finding the Fourth Proportional to 25,956.66, 38,981.94 and 23,872.92

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Solution

The fourth proportional to 25,956.66, 38,981.94 and 23,872.92 is: 35,852.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,956.66 : 38,981.94 = 23,872.92 : x
  2. Step 2: Convert to fraction form
    25,956.66/38,981.94 = 23,872.92/x
  3. Step 3: Cross multiply
    25,956.66x = 38,981.94 × 23,872.92
  4. Step 4: Simplify right side
    25,956.66x = 930,612,735.06
  5. Step 5: Solve for x
    x = 930,612,735.06/25,956.66
  6. Step 6: Final answer
    x = 35,852.56

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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.