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Finding the Fourth Proportional to 6,890.94, 10,333.32 and 2,447.94

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Solution

The fourth proportional to 6,890.94, 10,333.32 and 2,447.94 is: 3,670.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,890.94 : 10,333.32 = 2,447.94 : x
  2. Step 2: Convert to fraction form
    6,890.94/10,333.32 = 2,447.94/x
  3. Step 3: Cross multiply
    6,890.94x = 10,333.32 × 2,447.94
  4. Step 4: Simplify right side
    6,890.94x = 25,295,347.36
  5. Step 5: Solve for x
    x = 25,295,347.36/6,890.94
  6. Step 6: Final answer
    x = 3,670.81

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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.