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Finding the Fourth Proportional to 68,325.70, 94,289.22 and 38,111

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Solution

The fourth proportional to 68,325.70, 94,289.22 and 38,111 is: 52,593.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,325.70 : 94,289.22 = 38,111 : x
  2. Step 2: Convert to fraction form
    68,325.70/94,289.22 = 38,111/x
  3. Step 3: Cross multiply
    68,325.70x = 94,289.22 × 38,111
  4. Step 4: Simplify right side
    68,325.70x = 3,593,456,463.42
  5. Step 5: Solve for x
    x = 3,593,456,463.42/68,325.70
  6. Step 6: Final answer
    x = 52,593.04

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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.