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Finding the Fourth Proportional to 72,622, 108,933 and 23,374

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Solution

The fourth proportional to 72,622, 108,933 and 23,374 is: 35,061

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,622 : 108,933 = 23,374 : x
  2. Step 2: Convert to fraction form
    72,622/108,933 = 23,374/x
  3. Step 3: Cross multiply
    72,622x = 108,933 × 23,374
  4. Step 4: Simplify right side
    72,622x = 2,546,199,942
  5. Step 5: Solve for x
    x = 2,546,199,942/72,622
  6. Step 6: Final answer
    x = 35,061

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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.