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Finding the Fourth Proportional to 61,879.32, 92,834.10 and 19,759.41

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Solution

The fourth proportional to 61,879.32, 92,834.10 and 19,759.41 is: 29,643.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,879.32 : 92,834.10 = 19,759.41 : x
  2. Step 2: Convert to fraction form
    61,879.32/92,834.10 = 19,759.41/x
  3. Step 3: Cross multiply
    61,879.32x = 92,834.10 × 19,759.41
  4. Step 4: Simplify right side
    61,879.32x = 1,834,347,043.88
  5. Step 5: Solve for x
    x = 1,834,347,043.88/61,879.32
  6. Step 6: Final answer
    x = 29,643.94

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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.