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Finding the Fourth Proportional to 19,694.60, 29,537.87 and 5,650.87

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Solution

The fourth proportional to 19,694.60, 29,537.87 and 5,650.87 is: 8,475.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,694.60 : 29,537.87 = 5,650.87 : x
  2. Step 2: Convert to fraction form
    19,694.60/29,537.87 = 5,650.87/x
  3. Step 3: Cross multiply
    19,694.60x = 29,537.87 × 5,650.87
  4. Step 4: Simplify right side
    19,694.60x = 166,914,663.45
  5. Step 5: Solve for x
    x = 166,914,663.45/19,694.60
  6. Step 6: Final answer
    x = 8,475.15

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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.