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Finding the Fourth Proportional to 14,662.17, 21,975.62 and 6,753.81

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Solution

The fourth proportional to 14,662.17, 21,975.62 and 6,753.81 is: 10,122.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,662.17 : 21,975.62 = 6,753.81 : x
  2. Step 2: Convert to fraction form
    14,662.17/21,975.62 = 6,753.81/x
  3. Step 3: Cross multiply
    14,662.17x = 21,975.62 × 6,753.81
  4. Step 4: Simplify right side
    14,662.17x = 148,419,162.11
  5. Step 5: Solve for x
    x = 148,419,162.11/14,662.17
  6. Step 6: Final answer
    x = 10,122.59

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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.