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Finding the Fourth Proportional to 40,992.50, 61,518.72 and 26,237.54

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Solution

The fourth proportional to 40,992.50, 61,518.72 and 26,237.54 is: 39,375.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,992.50 : 61,518.72 = 26,237.54 : x
  2. Step 2: Convert to fraction form
    40,992.50/61,518.72 = 26,237.54/x
  3. Step 3: Cross multiply
    40,992.50x = 61,518.72 × 26,237.54
  4. Step 4: Simplify right side
    40,992.50x = 1,614,099,569.16
  5. Step 5: Solve for x
    x = 1,614,099,569.16/40,992.50
  6. Step 6: Final answer
    x = 39,375.49

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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.