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Finding the Fourth Proportional to 63,104.87, 94,636.82 and 20,973.62

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Solution

The fourth proportional to 63,104.87, 94,636.82 and 20,973.62 is: 31,453.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,104.87 : 94,636.82 = 20,973.62 : x
  2. Step 2: Convert to fraction form
    63,104.87/94,636.82 = 20,973.62/x
  3. Step 3: Cross multiply
    63,104.87x = 94,636.82 × 20,973.62
  4. Step 4: Simplify right side
    63,104.87x = 1,984,876,989.71
  5. Step 5: Solve for x
    x = 1,984,876,989.71/63,104.87
  6. Step 6: Final answer
    x = 31,453.62

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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.