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Finding the Fourth Proportional to 68,492.62, 94,517.92 and 38,278.17

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Solution

The fourth proportional to 68,492.62, 94,517.92 and 38,278.17 is: 52,822.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,492.62 : 94,517.92 = 38,278.17 : x
  2. Step 2: Convert to fraction form
    68,492.62/94,517.92 = 38,278.17/x
  3. Step 3: Cross multiply
    68,492.62x = 94,517.92 × 38,278.17
  4. Step 4: Simplify right side
    68,492.62x = 3,617,973,057.65
  5. Step 5: Solve for x
    x = 3,617,973,057.65/68,492.62
  6. Step 6: Final answer
    x = 52,822.81

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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.