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Finding the Fourth Proportional to 29,768.37, 44,652.54 and 8,991.87

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Solution

The fourth proportional to 29,768.37, 44,652.54 and 8,991.87 is: 13,487.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,768.37 : 44,652.54 = 8,991.87 : x
  2. Step 2: Convert to fraction form
    29,768.37/44,652.54 = 8,991.87/x
  3. Step 3: Cross multiply
    29,768.37x = 44,652.54 × 8,991.87
  4. Step 4: Simplify right side
    29,768.37x = 401,509,834.85
  5. Step 5: Solve for x
    x = 401,509,834.85/29,768.37
  6. Step 6: Final answer
    x = 13,487.80

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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.