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Finding the Fourth Proportional to 68,592.35, 94,661.13 and 38,375.88

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Solution

The fourth proportional to 68,592.35, 94,661.13 and 38,375.88 is: 52,960.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,592.35 : 94,661.13 = 38,375.88 : x
  2. Step 2: Convert to fraction form
    68,592.35/94,661.13 = 38,375.88/x
  3. Step 3: Cross multiply
    68,592.35x = 94,661.13 × 38,375.88
  4. Step 4: Simplify right side
    68,592.35x = 3,632,703,500.36
  5. Step 5: Solve for x
    x = 3,632,703,500.36/68,592.35
  6. Step 6: Final answer
    x = 52,960.77

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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.