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Finding the Fourth Proportional to 61,738.78, 92,608.17 and 14,991.34

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Solution

The fourth proportional to 61,738.78, 92,608.17 and 14,991.34 is: 22,487.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,738.78 : 92,608.17 = 14,991.34 : x
  2. Step 2: Convert to fraction form
    61,738.78/92,608.17 = 14,991.34/x
  3. Step 3: Cross multiply
    61,738.78x = 92,608.17 × 14,991.34
  4. Step 4: Simplify right side
    61,738.78x = 1,388,320,563.25
  5. Step 5: Solve for x
    x = 1,388,320,563.25/61,738.78
  6. Step 6: Final answer
    x = 22,487.01

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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.