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Finding the Fourth Proportional to 61,562.35, 92,357.79 and 19,446.61

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Solution

The fourth proportional to 61,562.35, 92,357.79 and 19,446.61 is: 29,174.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,562.35 : 92,357.79 = 19,446.61 : x
  2. Step 2: Convert to fraction form
    61,562.35/92,357.79 = 19,446.61/x
  3. Step 3: Cross multiply
    61,562.35x = 92,357.79 × 19,446.61
  4. Step 4: Simplify right side
    61,562.35x = 1,796,045,922.59
  5. Step 5: Solve for x
    x = 1,796,045,922.59/61,562.35
  6. Step 6: Final answer
    x = 29,174.42

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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.