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Finding the Fourth Proportional to 68,954.84, 95,151.84 and 38,737.79

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Solution

The fourth proportional to 68,954.84, 95,151.84 and 38,737.79 is: 53,454.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,954.84 : 95,151.84 = 38,737.79 : x
  2. Step 2: Convert to fraction form
    68,954.84/95,151.84 = 38,737.79/x
  3. Step 3: Cross multiply
    68,954.84x = 95,151.84 × 38,737.79
  4. Step 4: Simplify right side
    68,954.84x = 3,685,971,996.03
  5. Step 5: Solve for x
    x = 3,685,971,996.03/68,954.84
  6. Step 6: Final answer
    x = 53,454.87

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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.