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Finding the Fourth Proportional to 63,763.81, 95,625.29 and 21,059.73

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Solution

The fourth proportional to 63,763.81, 95,625.29 and 21,059.73 is: 31,582.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,763.81 : 95,625.29 = 21,059.73 : x
  2. Step 2: Convert to fraction form
    63,763.81/95,625.29 = 21,059.73/x
  3. Step 3: Cross multiply
    63,763.81x = 95,625.29 × 21,059.73
  4. Step 4: Simplify right side
    63,763.81x = 2,013,842,841.22
  5. Step 5: Solve for x
    x = 2,013,842,841.22/63,763.81
  6. Step 6: Final answer
    x = 31,582.85

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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.