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Finding the Fourth Proportional to 62,956, 94,434 and 19,180

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Solution

The fourth proportional to 62,956, 94,434 and 19,180 is: 28,770

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,956 : 94,434 = 19,180 : x
  2. Step 2: Convert to fraction form
    62,956/94,434 = 19,180/x
  3. Step 3: Cross multiply
    62,956x = 94,434 × 19,180
  4. Step 4: Simplify right side
    62,956x = 1,811,244,120
  5. Step 5: Solve for x
    x = 1,811,244,120/62,956
  6. Step 6: Final answer
    x = 28,770

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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.