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Finding the Fourth Proportional to 63,863.83, 95,795.74 and 19,490.81

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Solution

The fourth proportional to 63,863.83, 95,795.74 and 19,490.81 is: 29,236.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,863.83 : 95,795.74 = 19,490.81 : x
  2. Step 2: Convert to fraction form
    63,863.83/95,795.74 = 19,490.81/x
  3. Step 3: Cross multiply
    63,863.83x = 95,795.74 × 19,490.81
  4. Step 4: Simplify right side
    63,863.83x = 1,867,136,469.70
  5. Step 5: Solve for x
    x = 1,867,136,469.70/63,863.83
  6. Step 6: Final answer
    x = 29,236.21

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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.