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Finding the Fourth Proportional to 61,825.62, 92,745.72 and 19,691.04

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Solution

The fourth proportional to 61,825.62, 92,745.72 and 19,691.04 is: 29,538.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,825.62 : 92,745.72 = 19,691.04 : x
  2. Step 2: Convert to fraction form
    61,825.62/92,745.72 = 19,691.04/x
  3. Step 3: Cross multiply
    61,825.62x = 92,745.72 × 19,691.04
  4. Step 4: Simplify right side
    61,825.62x = 1,826,259,682.35
  5. Step 5: Solve for x
    x = 1,826,259,682.35/61,825.62
  6. Step 6: Final answer
    x = 29,538.88

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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.