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Finding the Fourth Proportional to 63,889.93, 95,849 and 19,520.15

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Solution

The fourth proportional to 63,889.93, 95,849 and 19,520.15 is: 29,284.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,889.93 : 95,849 = 19,520.15 : x
  2. Step 2: Convert to fraction form
    63,889.93/95,849 = 19,520.15/x
  3. Step 3: Cross multiply
    63,889.93x = 95,849 × 19,520.15
  4. Step 4: Simplify right side
    63,889.93x = 1,870,986,857.35
  5. Step 5: Solve for x
    x = 1,870,986,857.35/63,889.93
  6. Step 6: Final answer
    x = 29,284.53

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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.