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Finding the Fourth Proportional to 43,974, 65,961 and 19,350

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Solution

The fourth proportional to 43,974, 65,961 and 19,350 is: 29,025

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,974 : 65,961 = 19,350 : x
  2. Step 2: Convert to fraction form
    43,974/65,961 = 19,350/x
  3. Step 3: Cross multiply
    43,974x = 65,961 × 19,350
  4. Step 4: Simplify right side
    43,974x = 1,276,345,350
  5. Step 5: Solve for x
    x = 1,276,345,350/43,974
  6. Step 6: Final answer
    x = 29,025

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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.