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Finding the Fourth Proportional to 63,491.91, 95,201.42 and 19,105.53

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Solution

The fourth proportional to 63,491.91, 95,201.42 and 19,105.53 is: 28,647.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,491.91 : 95,201.42 = 19,105.53 : x
  2. Step 2: Convert to fraction form
    63,491.91/95,201.42 = 19,105.53/x
  3. Step 3: Cross multiply
    63,491.91x = 95,201.42 × 19,105.53
  4. Step 4: Simplify right side
    63,491.91x = 1,818,873,490.32
  5. Step 5: Solve for x
    x = 1,818,873,490.32/63,491.91
  6. Step 6: Final answer
    x = 28,647.33

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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.