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Finding the Fourth Proportional to 40,192, 60,288 and 15,568

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Solution

The fourth proportional to 40,192, 60,288 and 15,568 is: 23,352

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,192 : 60,288 = 15,568 : x
  2. Step 2: Convert to fraction form
    40,192/60,288 = 15,568/x
  3. Step 3: Cross multiply
    40,192x = 60,288 × 15,568
  4. Step 4: Simplify right side
    40,192x = 938,563,584
  5. Step 5: Solve for x
    x = 938,563,584/40,192
  6. Step 6: Final answer
    x = 23,352

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.