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Finding the Fourth Proportional to 6,750.81, 10,092.94 and 5,722.31

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Solution

The fourth proportional to 6,750.81, 10,092.94 and 5,722.31 is: 8,555.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,750.81 : 10,092.94 = 5,722.31 : x
  2. Step 2: Convert to fraction form
    6,750.81/10,092.94 = 5,722.31/x
  3. Step 3: Cross multiply
    6,750.81x = 10,092.94 × 5,722.31
  4. Step 4: Simplify right side
    6,750.81x = 57,754,942.42
  5. Step 5: Solve for x
    x = 57,754,942.42/6,750.81
  6. Step 6: Final answer
    x = 8,555.26

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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.