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Finding the Fourth Proportional to 29,896.98, 44,845.02 and 9,120.48

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Solution

The fourth proportional to 29,896.98, 44,845.02 and 9,120.48 is: 13,680.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,896.98 : 44,845.02 = 9,120.48 : x
  2. Step 2: Convert to fraction form
    29,896.98/44,845.02 = 9,120.48/x
  3. Step 3: Cross multiply
    29,896.98x = 44,845.02 × 9,120.48
  4. Step 4: Simplify right side
    29,896.98x = 409,008,108.01
  5. Step 5: Solve for x
    x = 409,008,108.01/29,896.98
  6. Step 6: Final answer
    x = 13,680.58

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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.