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Finding the Fourth Proportional to 8,940.36, 13,393.10 and 5,853

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Solution

The fourth proportional to 8,940.36, 13,393.10 and 5,853 is: 8,768.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,940.36 : 13,393.10 = 5,853 : x
  2. Step 2: Convert to fraction form
    8,940.36/13,393.10 = 5,853/x
  3. Step 3: Cross multiply
    8,940.36x = 13,393.10 × 5,853
  4. Step 4: Simplify right side
    8,940.36x = 78,389,814.30
  5. Step 5: Solve for x
    x = 78,389,814.30/8,940.36
  6. Step 6: Final answer
    x = 8,768.08

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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.