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Finding the Fourth Proportional to 6,802.44, 9,379.98 and 5,910.36

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Solution

The fourth proportional to 6,802.44, 9,379.98 and 5,910.36 is: 8,149.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,802.44 : 9,379.98 = 5,910.36 : x
  2. Step 2: Convert to fraction form
    6,802.44/9,379.98 = 5,910.36/x
  3. Step 3: Cross multiply
    6,802.44x = 9,379.98 × 5,910.36
  4. Step 4: Simplify right side
    6,802.44x = 55,439,058.59
  5. Step 5: Solve for x
    x = 55,439,058.59/6,802.44
  6. Step 6: Final answer
    x = 8,149.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.