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Finding the Fourth Proportional to 21,763.62, 32,641.17 and 6,968.58

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Solution

The fourth proportional to 21,763.62, 32,641.17 and 6,968.58 is: 10,451.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,763.62 : 32,641.17 = 6,968.58 : x
  2. Step 2: Convert to fraction form
    21,763.62/32,641.17 = 6,968.58/x
  3. Step 3: Cross multiply
    21,763.62x = 32,641.17 × 6,968.58
  4. Step 4: Simplify right side
    21,763.62x = 227,462,604.44
  5. Step 5: Solve for x
    x = 227,462,604.44/21,763.62
  6. Step 6: Final answer
    x = 10,451.51

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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.