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Finding the Fourth Proportional to 38,646, 57,969 and 9,462

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Solution

The fourth proportional to 38,646, 57,969 and 9,462 is: 14,193

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,646 : 57,969 = 9,462 : x
  2. Step 2: Convert to fraction form
    38,646/57,969 = 9,462/x
  3. Step 3: Cross multiply
    38,646x = 57,969 × 9,462
  4. Step 4: Simplify right side
    38,646x = 548,502,678
  5. Step 5: Solve for x
    x = 548,502,678/38,646
  6. Step 6: Final answer
    x = 14,193

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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.