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Finding the Fourth Proportional to 68,376, 94,359 and 38,568

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Solution

The fourth proportional to 68,376, 94,359 and 38,568 is: 53,223.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,376 : 94,359 = 38,568 : x
  2. Step 2: Convert to fraction form
    68,376/94,359 = 38,568/x
  3. Step 3: Cross multiply
    68,376x = 94,359 × 38,568
  4. Step 4: Simplify right side
    68,376x = 3,639,237,912
  5. Step 5: Solve for x
    x = 3,639,237,912/68,376
  6. Step 6: Final answer
    x = 53,223.91

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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.