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Finding the Fourth Proportional to 61,493.23, 92,165.78 and 25,940.81

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Solution

The fourth proportional to 61,493.23, 92,165.78 and 25,940.81 is: 38,879.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,493.23 : 92,165.78 = 25,940.81 : x
  2. Step 2: Convert to fraction form
    61,493.23/92,165.78 = 25,940.81/x
  3. Step 3: Cross multiply
    61,493.23x = 92,165.78 × 25,940.81
  4. Step 4: Simplify right side
    61,493.23x = 2,390,855,282.75
  5. Step 5: Solve for x
    x = 2,390,855,282.75/61,493.23
  6. Step 6: Final answer
    x = 38,879.97

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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.