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Finding the Fourth Proportional to 61,995.96, 92,992.32 and 17,625.78

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Solution

The fourth proportional to 61,995.96, 92,992.32 and 17,625.78 is: 26,438.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,995.96 : 92,992.32 = 17,625.78 : x
  2. Step 2: Convert to fraction form
    61,995.96/92,992.32 = 17,625.78/x
  3. Step 3: Cross multiply
    61,995.96x = 92,992.32 × 17,625.78
  4. Step 4: Simplify right side
    61,995.96x = 1,639,062,174.01
  5. Step 5: Solve for x
    x = 1,639,062,174.01/61,995.96
  6. Step 6: Final answer
    x = 26,438.21

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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.