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Finding the Fourth Proportional to 29,642.70, 44,481.57 and 10,935.88

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Solution

The fourth proportional to 29,642.70, 44,481.57 and 10,935.88 is: 16,410.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,642.70 : 44,481.57 = 10,935.88 : x
  2. Step 2: Convert to fraction form
    29,642.70/44,481.57 = 10,935.88/x
  3. Step 3: Cross multiply
    29,642.70x = 44,481.57 × 10,935.88
  4. Step 4: Simplify right side
    29,642.70x = 486,445,111.73
  5. Step 5: Solve for x
    x = 486,445,111.73/29,642.70
  6. Step 6: Final answer
    x = 16,410.28

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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.