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Finding the Fourth Proportional to 7,092.99, 10,641 and 2,163

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Solution

The fourth proportional to 7,092.99, 10,641 and 2,163 is: 3,244.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,092.99 : 10,641 = 2,163 : x
  2. Step 2: Convert to fraction form
    7,092.99/10,641 = 2,163/x
  3. Step 3: Cross multiply
    7,092.99x = 10,641 × 2,163
  4. Step 4: Simplify right side
    7,092.99x = 23,016,483
  5. Step 5: Solve for x
    x = 23,016,483/7,092.99
  6. Step 6: Final answer
    x = 3,244.96

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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.