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Finding the Fourth Proportional to 45,906.84, 63,351.78 and 29,981.88

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Solution

The fourth proportional to 45,906.84, 63,351.78 and 29,981.88 is: 41,375.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,906.84 : 63,351.78 = 29,981.88 : x
  2. Step 2: Convert to fraction form
    45,906.84/63,351.78 = 29,981.88/x
  3. Step 3: Cross multiply
    45,906.84x = 63,351.78 × 29,981.88
  4. Step 4: Simplify right side
    45,906.84x = 1,899,405,465.75
  5. Step 5: Solve for x
    x = 1,899,405,465.75/45,906.84
  6. Step 6: Final answer
    x = 41,375.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.