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Finding the Fourth Proportional to 61,993.30, 92,993.55 and 17,623.30

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Solution

The fourth proportional to 61,993.30, 92,993.55 and 17,623.30 is: 26,435.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,993.30 : 92,993.55 = 17,623.30 : x
  2. Step 2: Convert to fraction form
    61,993.30/92,993.55 = 17,623.30/x
  3. Step 3: Cross multiply
    61,993.30x = 92,993.55 × 17,623.30
  4. Step 4: Simplify right side
    61,993.30x = 1,638,853,229.72
  5. Step 5: Solve for x
    x = 1,638,853,229.72/61,993.30
  6. Step 6: Final answer
    x = 26,435.97

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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.