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Finding the Fourth Proportional to 61,843.98, 92,773.26 and 19,709.40

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Solution

The fourth proportional to 61,843.98, 92,773.26 and 19,709.40 is: 29,566.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,843.98 : 92,773.26 = 19,709.40 : x
  2. Step 2: Convert to fraction form
    61,843.98/92,773.26 = 19,709.40/x
  3. Step 3: Cross multiply
    61,843.98x = 92,773.26 × 19,709.40
  4. Step 4: Simplify right side
    61,843.98x = 1,828,505,290.64
  5. Step 5: Solve for x
    x = 1,828,505,290.64/61,843.98
  6. Step 6: Final answer
    x = 29,566.42

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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.