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Finding the Fourth Proportional to 61,825.56, 92,745.15 and 19,695.84

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Solution

The fourth proportional to 61,825.56, 92,745.15 and 19,695.84 is: 29,545.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,825.56 : 92,745.15 = 19,695.84 : x
  2. Step 2: Convert to fraction form
    61,825.56/92,745.15 = 19,695.84/x
  3. Step 3: Cross multiply
    61,825.56x = 92,745.15 × 19,695.84
  4. Step 4: Simplify right side
    61,825.56x = 1,826,693,635.18
  5. Step 5: Solve for x
    x = 1,826,693,635.18/61,825.56
  6. Step 6: Final answer
    x = 29,545.93

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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.