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Finding the Fourth Proportional to 8,794.40, 13,193.60 and 4,111

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Solution

The fourth proportional to 8,794.40, 13,193.60 and 4,111 is: 6,167.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,794.40 : 13,193.60 = 4,111 : x
  2. Step 2: Convert to fraction form
    8,794.40/13,193.60 = 4,111/x
  3. Step 3: Cross multiply
    8,794.40x = 13,193.60 × 4,111
  4. Step 4: Simplify right side
    8,794.40x = 54,238,889.60
  5. Step 5: Solve for x
    x = 54,238,889.60/8,794.40
  6. Step 6: Final answer
    x = 6,167.43

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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.